Be the Change: Your Guide to Freeing Slaves and Changing the World

Generation Change: Roll Up Your Sleeves and Change the World

Lose Your Cool, Revised and Expanded Edition: Discovering a Passion that Changes You and the World

Generation Change, Revised and Expanded Edition: Roll Up Your Sleeves and Change the World

Be the Change, Revised and Expanded Edition: Your Guide to Freeing Slaves and Changing the World

Se tú la diferencia: Tu guía para liberar a los esclavos y cambiar el mundo