Big Books of 2026

Join the Goodreads Author Program

Are you Dietmar Hamann, author of the books below?
The Didi Man by Dietmar Hamann The Didi Man by Dietmar Hamann by Dietmar Hamann Der Spielverderber by Oliver Fritsch


To join the author program as Dietmar Hamann, 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