For readers of such crusading works of nonfiction as Katherine Boo's Beyond the Beautiful Forevers and Tracy Kidder's Mountains Beyond Mountains comes a powerful and captivating examination of two entwined global crises: environmental destruction and human trafficking--and an inspiring, bold plan for how we can solve them.

A leading expert on modern-day slavery, Kevin Bales has traveled to some of the world's most dangerous places documenting and battling human trafficking. In the course of his reporting, Bales began to notice a pattern emerging: Where...