Contagious: Why Things Catch On

This reading group guide for Contagious includes an introduction, discussion questions, ideas for enhancing your book club, and a Q&A with author Jonah Berger....

Invisible Influence: The Hidden Forces That Shape Behavior

In Invisible Influence, the New York Times bestselling author of Contagious explores the subtle influences that affect the decisions we make—from what we buy, to the careers...