Join the Goodreads Author Program

Are you Ulrich Sommer, author of the books below?
Biologische Meereskunde (Springer-Lehrbuch) by Ulrich Sommer Plankton Ecology by Ulrich Sommer Algen, Quallen, Wasserfloh by Ulrich Sommer Plankton Ecology by Ulrich Sommer Planktologie by Ulrich Sommer Algen, Quallen, Wasserfloh by Ulrich Sommer Competition and Coexistence by Boris Worm Competition and Coexistence by Ulrich Sommer Biologische Meereskunde (Springer-Lehrbuch) by Ulrich Sommer Sirtfood Kochbuch by Ulrich Sommer


To join the author program as Ulrich Sommer, 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