Horror for Newbies

Join the Goodreads Author Program

Are you Claudio L.S. Haddad, author of the book below?
Freakonomics by Steven D. Levitt


To join the author program as Claudio L.S. Haddad, 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