2026 Reading Challenge

Join the Goodreads Author Program

Are you Thomas A. Sergent, author of the books below?
The Demon Within by Thomas A. Sergent Engine Company 13 by Thomas A. Sergent Dark Valor by Thomas A. Sergent Engine Company 13 by Thomas A. Sergent


To join the author program as Thomas A. Sergent, 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