Big Books of 2026

Join the Goodreads Author Program

Are you Israel I. Efros, author of the books below?
Ancient Jewish Philosophy by Israel I. Efros Problem of Space in Jewish Medieval Philosophy by Israel I. Efros Ancient Jewish Philosophy A Study in Metaphysics and Ethics by Israel I. Efros Philosophical Terms in the Moren Nebukim (Columbia University... by Israel I. Efros


To join the author program as Israel I. Efros, 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