2026 Reading Challenge

Join the Goodreads Author Program

Are you Rainer Winkler, author of the books below?
Rainer Winkler by Rainer Winkler Rainer Winkler by Rainer Winkler Rainer Winkler by Rainer Winkler Rainer Winkler by Rainer Winkler Stoma Therapy by Rainer Winkler Proktologie by Rainer Winkler Einstellung der SchülerInnen hinsichtlich Hausaufgaben by Rainer Winkler Die Antwort Auf Die Träume by Rainer Winkler Proktologie. Ein Leitfaden für die Praxis. by Rainer Winkler Gastroenterological Endoscopy by Jacques Bergman


To join the author program as Rainer Winkler, 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