Big Books of 2026

Join the Goodreads Author Program

Are you Michael Oefner, author of the books below?
In 20 Schritten zum Redeprofi by Michael Oefner In 20 Schritten zum Redeprofi by Michael Oefner Souverän auftreten in der Businesskommunikation by Michael Oefner


To join the author program as Michael Oefner, 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