Big Books of 2026

Join the Goodreads Author Program

Are you Jack Schafer, author of the books below?
The Like Switch by Jack Schafer Manual de persuasão do FBI by Jack Schafer The Truth Detector by Jack Schafer Kaip pažinti ir paveikti žmones by Jack Schafer Wykrywacz prawdy by Jack Schafer Despierta tu encanto (Gestión del conocimiento) by Jack Schafer BONECO by Jack Schafer Das Geheimnis sympathischer Menschen by Jack Schafer Comment Attirer La Sympathie Et Vous Faire Des Amis by Marvin Karlins


To join the author program as Jack Schafer, 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