David Levithan is the author and co-author of over thirty YA novels, many of them bestsellers. His first YA novel was Boy Meets Boy in 2003. He is also the author of the adult books The Lover's Dictionary and Songs for Other People's Weddings (with songs by Jens Lekman) and the YA nonfiction work The Fight of Our Lives: AIDS in America, written with Gabriel Duckels.