Jon Scieszka's books have sold over 11 million copies, including The Stinky Cheese Man and Other Fairly Stupid Tales, The True Story of the 3 Little Pigs!, the Time Warp Trio and Spaceheadz series, and Battle Bunny with Mac Barnett. Scieszka is also the founder of Guys Read and served as the first National Ambassador for Young People's Literature. He lives in Brooklyn. Visit him online at jsworldwide.com and frankeinsteinbooks.com. Brian Biggs has collaborated with Garth Nix, Cynthia Rylant, and Katherine Applegate, in addition to working on his own picture books, the Everything Goes series and the Tinyville Town series for Abrams Appleseed. He lives in Philadelphia. Visit him online at mrbiggs.com.