Rachel Cohn is the New York Times bestselling author of several young adult novels, including Kill All Happies, Gingerbread, Shrimp, Cupcake, and, with David Levithan, Nick & Norah's Infinite Playlist, Dash & Lily's Book of Dares, and Sam & Ilsa's Last Hurrah. Visit Rachel online at rachelcohn.com or on Twitter @rachelcohn.