Big Books of 2026

Join the Goodreads Author Program

Are you Agent Kasper, author of the books below?
Supernotes by Agent Kasper Superdólares by Agent Kasper Superdólares by Agent Kasper L'affaire Supernotes by Agent Kasper


To join the author program as Agent Kasper, 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