Rainbow Rowell writes books about adults (Attachments, Landline), about teenagers (Eleanor & Park, Fangirl) and, whenever possible, about lovesick vampires and guys with dragon wings. (The Simon Snow Trilogy). She has ventured into the comic-book field, with her first graphic novel, Pumpkinheads, and a hugely enjoyable reinvigoration of Marvel's teen heroes, Runaways. Rowell lives in Omaha, Nebraska.

Elena Casagrande, a graduate of the International School of Comics in Rome, began her career as artist David Messina's assistant, kicking off a long relationship with IDW Publishing that has seen her work on such series as Star Trek, The Ghost Whisperer, Angel, Infestation and True Blood. Casagrande's Marvel credits include Marvel Heartbreakers, Spitfire, Ultimate Spider-Man and Hulk.