2026 Reading Challenge

Join the Goodreads Author Program

Are you Jan Wittenbrink, author of the books below?
Das Nordseebuch by Jan Wittenbrink Das Fahrradbuch by Jan Wittenbrink Radreisen mit dem E-Bike by Jan Wittenbrink Vermögen geerbt, was nun? - Finanzplaner zum Vermögensaufbau ... by Manuel Heckel


To join the author program as Jan Wittenbrink, 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