Patrick Califia's writing and activism have revolutionized the concept of queer sex. He has written over a dozen books, including Coming to Power, Melting Point, No Mercy, and Speaking Sex to Power; his work has been translated into six other languages. He lives in San Francisco.

Wendy Chapkis is a Professor of Sociology and Women & Gender Studies at the University of Southern Maine in Portland. She is also the co-author of Dying to Get High: Marijuana as Medicine (New York University Press, 2008).