Big Books of 2026

Join the Goodreads Author Program

Are you Olaf Schumann, author of the books below?
Dialog Antar Umat Beragama by Olaf Schumann Pemikiran Keagamaan dalam Tantangan by Olaf Schumann 10 Ulama Bicara Isa al-Masih dan Ajarannya by Olaf Schumann Jesus - The Messiah In Muslim Thought by Olaf Schumann Agama-agama Memasuki Milenium Ketiga by Martin L. Sinaga Wirtschafts- und Unternehmensethik by Thomas Beschorner


To join the author program as Olaf Schumann, 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