Greta Christina has been writing professionally since 1989, on topics including atheism, sexuality and sex-positivity, LGBT issues, politics, culture, and whatever crosses her mind. She is on the speakers's bureaus of the Secular Student Alliance and the Center for Inquiry. She is editor of the "Best Erotic Comics" anthology series, and of "Paying For It: A Guide by Sex Workers for Their Clients." Her writing has appeared in multiple magazines and newspapers, including Ms., Penthouse, Chicago Sun-Times, On Our Backs, and Skeptical Inquirer, and numerous anthologies, including "Everything You Know About God Is Wrong" and three volumes of "Best American Erotica." She lives in San Francisco with her wife, Ingrid.