Challenge Faves

Join the Goodreads Author Program

Are you Bertilo Wennergren, author of the books below?
Plena Manlibro de Esperanta Gramatiko by Bertilo Wennergren Detala Gramatiko de Esperanto by Bertilo Wennergren


To join the author program as Bertilo Wennergren, 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