Robert Perkinson is an associate professor of American Studies at the University of Hawai'i at Manoa. He grew up in Jackson Hole, Wyoming and spent his summers in Mississippi. He became interested in the breathtaking growth of imprisonment while studying at the University of Colorado at Boulder in the 1990s and began the research for this book in graduate school at Yale University. His writings have appeared in The Nation, Boston Review, Progressive, and other forums. This is his first book.