Diana Cage is the San-Francisco-based author of "Box Lunch: The Layperson's Guide to Cunnilingus", as well as "Bottoms Up: Writing About Sex" and "The On Our Backs Guide to Lesbian Sex". She regularly dispenses sex advice on Sirius Radio's OUTQ and has appeared on Showtime's hit reality show Family Business. She is former editor of the world's only lesbian sex magazine, "On Our Backs".