Big Books of 2026

Join the Goodreads Author Program

Are you John E. Helzer, author of the books below?
Dimensional Approaches in Diagnostic Classification by John E. Helzer Alcoholism in North America, Europe, and Asia by John E. Helzer Psychoses, Affective Disorders, and Dementia by John E. Helzer Defining Psychopathology in the 21st Century by John E. Helzer


To join the author program as John E. Helzer, 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