Horror's Greatest Hits

Join the Goodreads Author Program

Are you Colin Ainsworth Sharp, author of the books below?
Grey Areas by Colin Ainsworth Sharp Borderline by Colin Ainsworth Sharp Thunderheads by Colin Ainsworth Sharp Birthright by Colin Ainsworth Sharp BORDERLINE by Colin Worthington


To join the author program as Colin Ainsworth Sharp, you will first need to sign in to Goodreads. Then navigate back to this page to apply.


About the Author Program
Authors on Goodreads
Author Guidelines
Author Program How-To
Author & Advertisers Blog
Ask the Author: Featured Authors
About Goodreads