Discover BCPL: The Language and its Compiler by Martin Richards.
Start reading today and explore ideas, insights, and experiences that stay with you.
Overview:
We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Case Studies in Organizational Behavior and Theory for Health Care: BCPL: The Language and its Compiler ,To get started finding Case Studies in Organizational Behavior and Theory for Health Care:BCPL: The Language and its Compiler, you are right to find our website which has a comprehensive collection of manuals listed.
Our library is the biggest of these that have literally hundreds of thousands of different products represented.
Read full description
Advertisement
Details & Genres
Needs Cover ArtComputing LanguagesComputer Languages
After spending years working in the corporate world, Martin Richards finally decided to pursue a lifelong passion for writing. They currently reside in a quiet suburb where they spend most of their time outlining new stories, reading extensively, and occasionally attempting to bake.
Really enjoyed this one. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Worth the time and money.
Mark RodriguezNovember 11, 2025
A very satisfying read. I loved how the story unfolded. It kept me guessing without being too confusing. Would probably read it again at some point.
Sponsored Content
Joseph ThompsonDecember 08, 2024
A very satisfying read. I got really invested in the main character's journey. Everything just clicked for me. Worth the time and money.
Sharon PerezAugust 17, 2024
A very satisfying read. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Glad I picked this up.
Joseph BrownJune 28, 2024
A solid read. Interesting premise and executed fairly well. Just a few slow chapters here and there. Enjoyable weekend read.
Mark RodriguezDecember 08, 2024
A very satisfying read. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Definitely recommend it if you like this genre.
Lisa TorresDecember 03, 2024
Took me a few chapters to get into it, but it was worth it. The middle dragged a tiny bit, but the ending totally made up for it. I'd probably recommend it to a friend.
Laura JacksonSeptember 03, 2025
Such a great read. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Worth the time and money.
Nicholas ThompsonApril 12, 2025
Took me a few chapters to get into it, but it was worth it. The middle dragged a tiny bit, but the ending totally made up for it. I'd probably recommend it to a friend.
David RiveraMarch 13, 2025
I was pleasantly surprised. I loved how the story unfolded. It kept me guessing without being too confusing. Definitely recommend it if you like this genre.
Robert RamirezJanuary 28, 2024
Pretty good overall. I liked the main character, though some of the side plots were just okay. A solid 4 stars from me.
Kevin MitchellDecember 16, 2025
Good, but not quite perfect. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Enjoyable weekend read.
David EdwardsNovember 15, 2025
A very satisfying read. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Worth the time and money.
Donald EvansSeptember 11, 2025
A very satisfying read. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Will be looking for more from this author.
Andrew SanchezFebruary 17, 2024
Took me a few chapters to get into it, but it was worth it. Interesting premise and executed fairly well. Just a few slow chapters here and there. I'd probably recommend it to a friend.
Emily ReyesJanuary 19, 2025
I was pleasantly surprised. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Worth the time and money.
Sarah MitchellMarch 07, 2025
Really enjoyed this one. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. A solid 5/5 for me.
Robert SanchezJune 12, 2024
A solid read. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Still a good book.
Rebecca GreenJanuary 09, 2025
Glad someone recommended this to me. I got really invested in the main character's journey. Everything just clicked for me. Will be looking for more from this author.
Barbara TurnerNovember 01, 2025
Good, but not quite perfect. Interesting premise and executed fairly well. Just a few slow chapters here and there. I'd probably recommend it to a friend.
Thomas MartinNovember 03, 2024
Took me a few chapters to get into it, but it was worth it. I liked the main character, though some of the side plots were just okay. A solid 4 stars from me.
Thomas GreenFebruary 21, 2025
Honestly one of the better books I've read lately. I got really invested in the main character's journey. Everything just clicked for me. Will be looking for more from this author.
Carol CampbellAugust 18, 2024
A very satisfying read. I loved how the story unfolded. It kept me guessing without being too confusing. Glad I picked this up.
Anthony TorresMay 03, 2025
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Worth the time and money.
Joshua CollinsMarch 29, 2024
Really enjoyed this one. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Will be looking for more from this author.
Paul GonzalezMarch 12, 2024
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Glad I picked this up.
Carol DavisJanuary 31, 2024
Finished it in a couple of days. The author did a great job wrapping everything up at the end. No weird plot holes left behind. A solid 5/5 for me.
William DavisOctober 07, 2024
Took me a few chapters to get into it, but it was worth it. I liked the main character, though some of the side plots were just okay. Enjoyable weekend read.
Christopher CarterAugust 16, 2025
Such a great read. I got really invested in the main character's journey. Everything just clicked for me. Definitely recommend it if you like this genre.
Nancy CruzMay 22, 2024
Honestly one of the better books I've read lately. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Would probably read it again at some point.
Elizabeth NguyenMay 09, 2024
I have mixed feelings about this one. The writing was fine, but I didn't feel very connected to the characters. They felt a bit flat. Just right down the middle.
Christopher RodriguezSeptember 14, 2024
Good, but not quite perfect. I liked the main character, though some of the side plots were just okay. Not bad at all.
Jessica CampbellFebruary 20, 2025
Glad someone recommended this to me. I got really invested in the main character's journey. Everything just clicked for me. Definitely recommend it if you like this genre.
Sharon CollinsSeptember 17, 2025
Honestly one of the better books I've read lately. The writing style is very engaging. It’s easy to follow but still has a lot of depth. A solid 5/5 for me.
Anthony BrownJuly 08, 2025
Honestly one of the better books I've read lately. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Would probably read it again at some point.
Brian RobinsonSeptember 06, 2025
It was just alright. Some parts were interesting, while others were a bit of a slog to get through. Might work better for someone else, just wasn't completely for me.
Ryan RodriguezOctober 10, 2024
Took me a few chapters to get into it, but it was worth it. I liked the main character, though some of the side plots were just okay. I'd probably recommend it to a friend.
Michael RiveraJuly 20, 2024
I was pleasantly surprised. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Would probably read it again at some point.
Joseph LewisJune 03, 2024
I liked it for the most part. I liked the main character, though some of the side plots were just okay. Still a good book.
Dorothy HarrisSeptember 23, 2024
Really enjoyed this one. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Would probably read it again at some point.
Robert HillSeptember 09, 2024
I have mixed feelings about this one. Some parts were interesting, while others were a bit of a slog to get through. It's fine if you have nothing else to read.
Karen DavisJuly 30, 2025
I was pleasantly surprised. I got really invested in the main character's journey. Everything just clicked for me. Definitely recommend it if you like this genre.
Jennifer AllenDecember 05, 2024
Really enjoyed this one. I got really invested in the main character's journey. Everything just clicked for me. Will be looking for more from this author.
Robert EdwardsMarch 31, 2024
Took me a few chapters to get into it, but it was worth it. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. A solid 4 stars from me.
George CampbellJuly 09, 2024
A very satisfying read. I loved how the story unfolded. It kept me guessing without being too confusing. A solid 5/5 for me.
David RiveraNovember 23, 2024
Took me a few chapters to get into it, but it was worth it. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. A solid 4 stars from me.
Sandra GomezAugust 09, 2025
Honestly one of the better books I've read lately. I loved how the story unfolded. It kept me guessing without being too confusing. Definitely recommend it if you like this genre.
Susan WilsonSeptember 15, 2025
Pretty good overall. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Not bad at all.
Richard DavisMarch 05, 2024
I was pleasantly surprised. I got really invested in the main character's journey. Everything just clicked for me. Would probably read it again at some point.
Ryan ThomasApril 02, 2025
Such a great read. The author did a great job wrapping everything up at the end. No weird plot holes left behind. A solid 5/5 for me.
Amanda EvansJanuary 22, 2024
Such a great read. I got really invested in the main character's journey. Everything just clicked for me. Will be looking for more from this author.
Joshua JohnsonOctober 14, 2025
Finished it in a couple of days. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Glad I picked this up.
David EdwardsAugust 01, 2024
Took me a few chapters to get into it, but it was worth it. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Enjoyable weekend read.
Emily PhillipsAugust 08, 2024
Honestly one of the better books I've read lately. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Would probably read it again at some point.
Patricia CruzJanuary 09, 2025
Not bad, but not my favorite. It felt a bit repetitive in the middle. Could have been shorter. Just right down the middle.
Nicholas ThompsonJuly 03, 2025
Pretty good overall. Interesting premise and executed fairly well. Just a few slow chapters here and there. Enjoyable weekend read.
Donna RamirezDecember 30, 2025
A very satisfying read. I got really invested in the main character's journey. Everything just clicked for me. A solid 5/5 for me.
Steven TurnerNovember 11, 2025
Honestly one of the better books I've read lately. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Worth the time and money.
Cynthia EdwardsAugust 13, 2025
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Definitely recommend it if you like this genre.
Jennifer ScottJanuary 18, 2024
I was pleasantly surprised. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Glad I picked this up.
Margaret TaylorFebruary 14, 2025
Finished it in a couple of days. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Worth the time and money.
Thomas ThomasJanuary 21, 2024
Honestly one of the better books I've read lately. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Glad I picked this up.
Emily WilliamsNovember 26, 2024
A solid read. The middle dragged a tiny bit, but the ending totally made up for it. I'd probably recommend it to a friend.
Gary AdamsOctober 27, 2025
An average read for me. The pacing was a bit slow and I found myself skimming a few pages. It wasn't terrible, just okay. A generous 3 stars.
George MartinezFebruary 15, 2024
Pretty good overall. Interesting premise and executed fairly well. Just a few slow chapters here and there. Not bad at all.
David RiveraApril 28, 2024
A very satisfying read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Glad I picked this up.
Richard AndersonAugust 20, 2025
Really enjoyed this one. I loved how the story unfolded. It kept me guessing without being too confusing. Would probably read it again at some point.
Melissa GreenDecember 10, 2024
A very satisfying read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Worth the time and money.
Sandra GomezAugust 20, 2025
A solid read. It held my attention, even if a few things were a little predictable. I'd probably recommend it to a friend.
Eric MartinNovember 04, 2025
Really enjoyed this one. I got really invested in the main character's journey. Everything just clicked for me. Definitely recommend it if you like this genre.
Elizabeth LopezJuly 24, 2024
Really enjoyed this one. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Definitely recommend it if you like this genre.
Ryan BrownNovember 04, 2024
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Worth the time and money.
Anthony GomezAugust 05, 2024
It was just alright. The writing was fine, but I didn't feel very connected to the characters. They felt a bit flat. Might work better for someone else, just wasn't completely for me.
Carol MartinJune 17, 2025
Took me a few chapters to get into it, but it was worth it. I liked the main character, though some of the side plots were just okay. Enjoyable weekend read.
Cynthia LopezJuly 26, 2025
A solid read. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. A solid 4 stars from me.
Nicholas AdamsDecember 25, 2025
Pretty good overall. The middle dragged a tiny bit, but the ending totally made up for it. Still a good book.
Patricia CollinsJune 29, 2024
Honestly one of the better books I've read lately. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Will be looking for more from this author.
Elizabeth LopezNovember 10, 2025
I was pleasantly surprised. I loved how the story unfolded. It kept me guessing without being too confusing. Worth the time and money.
Steven DiazFebruary 22, 2025
Really enjoyed this one. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. A solid 5/5 for me.
Rebecca WilliamsFebruary 09, 2024
I liked it for the most part. It held my attention, even if a few things were a little predictable. Still a good book.
Daniel WalkerApril 25, 2025
A very satisfying read. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Worth the time and money.
Mary GarciaDecember 17, 2025
Good, but not quite perfect. It held my attention, even if a few things were a little predictable. Still a good book.
Michelle ThompsonApril 09, 2024
Such a great read. I got really invested in the main character's journey. Everything just clicked for me. Definitely recommend it if you like this genre.
Elizabeth BakerMay 14, 2024
Honestly one of the better books I've read lately. The author did a great job wrapping everything up at the end. No weird plot holes left behind. A solid 5/5 for me.
Sharon PerezJune 15, 2025
Glad someone recommended this to me. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Worth the time and money.
Joseph ReyesOctober 10, 2024
Glad someone recommended this to me. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Will be looking for more from this author.
Elizabeth LopezAugust 26, 2025
A very satisfying read. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Glad I picked this up.
Margaret MitchellAugust 22, 2024
Good, but not quite perfect. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. I'd probably recommend it to a friend.
Donna JacksonDecember 15, 2024
Took me a few chapters to get into it, but it was worth it. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. A solid 4 stars from me.
Kimberly TorresOctober 27, 2024
Glad someone recommended this to me. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Glad I picked this up.
Amanda NguyenNovember 12, 2024
Pretty good overall. It held my attention, even if a few things were a little predictable. A solid 4 stars from me.
Anthony CampbellJuly 13, 2025
Such a great read. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Glad I picked this up.
George NguyenMarch 10, 2025
Pretty good overall. Interesting premise and executed fairly well. Just a few slow chapters here and there. Still a good book.
Patricia BakerAugust 15, 2024
Glad someone recommended this to me. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Definitely recommend it if you like this genre.
Eric WalkerOctober 11, 2024
A very satisfying read. The author did a great job wrapping everything up at the end. No weird plot holes left behind. A solid 5/5 for me.
Linda NguyenJuly 04, 2025
Good, but not quite perfect. Interesting premise and executed fairly well. Just a few slow chapters here and there. Still a good book.
Barbara ThomasJune 09, 2024
Good, but not quite perfect. Writing is good, just wish there was a bit more depth in certain parts. Still kept my attention though. Enjoyable weekend read.
William DavisMay 28, 2024
Really enjoyed this one. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Would probably read it again at some point.
Karen JacksonMarch 14, 2025
Such a great read. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. A solid 5/5 for me.
George CruzJuly 24, 2024
Such a great read. I got really invested in the main character's journey. Everything just clicked for me. A solid 5/5 for me.
Dorothy HarrisJanuary 31, 2025
I was pleasantly surprised. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Worth the time and money.
Ashley MartinezJanuary 01, 2025
Such a great read. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Will be looking for more from this author.
Mary NelsonDecember 16, 2024
Honestly one of the better books I've read lately. I loved how the story unfolded. It kept me guessing without being too confusing. A solid 5/5 for me.
Gary AllenAugust 21, 2025
Glad someone recommended this to me. I got really invested in the main character's journey. Everything just clicked for me. Worth the time and money.
Paul MillerMarch 30, 2025
Glad someone recommended this to me. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Definitely recommend it if you like this genre.
Brian RamirezAugust 24, 2025
Pretty good overall. I liked the main character, though some of the side plots were just okay. Enjoyable weekend read.
Mary NelsonMay 03, 2025
Such a great read. I got really invested in the main character's journey. Everything just clicked for me. Worth the time and money.
Rebecca JacksonJanuary 10, 2025
I was pleasantly surprised. I got really invested in the main character's journey. Everything just clicked for me. A solid 5/5 for me.
Steven GreenAugust 11, 2025
Good, but not quite perfect. It held my attention, even if a few things were a little predictable. I'd probably recommend it to a friend.
Deborah GomezNovember 14, 2025
Finished it in a couple of days. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Glad I picked this up.
Patricia AdamsSeptember 18, 2024
Good, but not quite perfect. It held my attention, even if a few things were a little predictable. Still a good book.
Joseph ThomasJanuary 07, 2025
Honestly one of the better books I've read lately. The author did a great job wrapping everything up at the end. No weird plot holes left behind. A solid 5/5 for me.
Jessica WhiteJanuary 30, 2024
Finished it in a couple of days. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Definitely recommend it if you like this genre.
Rebecca ParkerAugust 19, 2024
Good, but not quite perfect. Interesting premise and executed fairly well. Just a few slow chapters here and there. Still a good book.
Lisa BrownOctober 24, 2025
Took me a few chapters to get into it, but it was worth it. I liked the main character, though some of the side plots were just okay. A solid 4 stars from me.
William GonzalezAugust 04, 2024
Finished it in a couple of days. I loved how the story unfolded. It kept me guessing without being too confusing. Glad I picked this up.
Andrew GarciaOctober 21, 2025
Glad someone recommended this to me. I loved how the story unfolded. It kept me guessing without being too confusing. Worth the time and money.
Carol WalkerAugust 17, 2025
Honestly one of the better books I've read lately. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Will be looking for more from this author.
Daniel ReyesOctober 28, 2025
A very satisfying read. I loved how the story unfolded. It kept me guessing without being too confusing. Worth the time and money.
Elizabeth MitchellDecember 02, 2025
I was pleasantly surprised. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Worth the time and money.
Donna BrownApril 07, 2025
I was pleasantly surprised. I got really invested in the main character's journey. Everything just clicked for me. Will be looking for more from this author.
Daniel RamirezDecember 30, 2024
Pretty good overall. The middle dragged a tiny bit, but the ending totally made up for it. Not bad at all.
Betty CollinsMay 27, 2024
Honestly one of the better books I've read lately. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Will be looking for more from this author.
Kenneth CollinsSeptember 23, 2024
Honestly one of the better books I've read lately. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Would probably read it again at some point.
Edward NelsonJanuary 20, 2025
I have mixed feelings about this one. The writing was fine, but I didn't feel very connected to the characters. They felt a bit flat. Just right down the middle.
Ryan BrownDecember 02, 2025
A solid read. I liked the main character, though some of the side plots were just okay. Enjoyable weekend read.
Carol CampbellOctober 19, 2025
I liked it for the most part. Interesting premise and executed fairly well. Just a few slow chapters here and there. Still a good book.
Elizabeth PerezSeptember 30, 2025
Really enjoyed this one. I loved how the story unfolded. It kept me guessing without being too confusing. Would probably read it again at some point.
David EdwardsDecember 23, 2025
A very satisfying read. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Would probably read it again at some point.
Deborah GomezJuly 18, 2024
Took me a few chapters to get into it, but it was worth it. I liked the main character, though some of the side plots were just okay. Enjoyable weekend read.
Amanda LewisDecember 06, 2025
Good, but not quite perfect. It held my attention, even if a few things were a little predictable. Not bad at all.
David GomezJuly 01, 2024
Really enjoyed this one. The writing style is very engaging. It’s easy to follow but still has a lot of depth. Would probably read it again at some point.
Sharon JohnsonJuly 17, 2025
Pretty good overall. I liked the main character, though some of the side plots were just okay. Still a good book.
Barbara GarciaFebruary 13, 2025
A very satisfying read. I got really invested in the main character's journey. Everything just clicked for me. Glad I picked this up.
Cynthia LopezApril 07, 2024
A solid read. I liked the main character, though some of the side plots were just okay. Still a good book.
Cynthia LopezMarch 13, 2025
Honestly one of the better books I've read lately. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Worth the time and money.
Amanda LeeOctober 22, 2024
Not bad, but not my favorite. The pacing was a bit slow and I found myself skimming a few pages. It wasn't terrible, just okay. Just right down the middle.
Eric LopezAugust 06, 2024
Pretty good overall. I liked the main character, though some of the side plots were just okay. Enjoyable weekend read.
Michelle RodriguezSeptember 08, 2024
I was pleasantly surprised. I got really invested in the main character's journey. Everything just clicked for me. A solid 5/5 for me.
Mark RiveraDecember 22, 2024
Really enjoyed this one. The author did a great job wrapping everything up at the end. No weird plot holes left behind. A solid 5/5 for me.
Margaret TaylorJanuary 27, 2024
Took me a few chapters to get into it, but it was worth it. I liked the main character, though some of the side plots were just okay. A solid 4 stars from me.
Paul NelsonFebruary 26, 2025
Really enjoyed this one. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Will be looking for more from this author.
Thomas TurnerApril 12, 2025
Pretty good overall. I liked the main character, though some of the side plots were just okay. I'd probably recommend it to a friend.
Steven SmithApril 20, 2025
It was just alright. Some parts were interesting, while others were a bit of a slog to get through. It's fine if you have nothing else to read.
Paul BrownJanuary 06, 2024
Glad someone recommended this to me. The pacing was spot on and the characters felt real. I didn't find myself getting bored at any point. Glad I picked this up.
Dorothy WalkerMay 11, 2025
I was pleasantly surprised. The author did a great job wrapping everything up at the end. No weird plot holes left behind. Definitely recommend it if you like this genre.
Paul TurnerNovember 16, 2024
Glad someone recommended this to me. I got really invested in the main character's journey. Everything just clicked for me. Glad I picked this up.
Patricia SanchezJanuary 29, 2024
I was pleasantly surprised. I got really invested in the main character's journey. Everything just clicked for me. Would probably read it again at some point.
Edward PhillipsJuly 30, 2024
Finished it in a couple of days. It has a good balance of dialogue and description. Everything felt like it moved at the right speed. Definitely recommend it if you like this genre.
Eric ThomasNovember 21, 2025
I was pleasantly surprised. I loved how the story unfolded. It kept me guessing without being too confusing. Will be looking for more from this author.