Greta Christina has been writing about sex for over two decades, for publications including Ms., Penthouse, On Our Backs, and three volumes of Best American Erotica. She is author of Why Are You Atheists So Angry? 99 Things That Piss Off the Godless, an Amazon best-seller in the Atheism category, and is one of the most widely-read and well-respected bloggers in the atheist blogosphere. She blogs at the cleverly named Greta Christina’s Blog, and her writing has appeared in numerous magazines, newspapers, and anthologies, including Salon, AlterNet, and the Chicago Sun-Times. She is editor of the Best Erotic Comics anthology series, and of Paying For It: A Guide by Sex Workers for Their Clients. She is co-organizer of the Godless Perverts, an organization that presents and promotes a positive view of sexuality without religion. She tweets at @GretaChristina. She lives in San Francisco with her wife, Ingrid.