Neal Shusterman (www.nstoryman.com) is the author of dozens of books for young readers, including the bestselling Arc of a Scythe series, the National Book Award winner Challenger Deep, the bestselling Unwind and Skinjacker trilogies, and the critically acclaimed The Schwa Was Here and Downsiders. The other two books in the Accelerati Trilogy, which Neal co-wrote with Eric Elfman, are Edison's Alley and Hawking's Hallway. As a screen and TV writer, Neal created scripts for the Goosebumps and "Animorphs" TV series, and he wrote the Disney Channel Original Movie Pixel Perfect. Neal has two grown sons and he lives with his two daughters in Southern California. Eric Elfman (www.elfmanworld.com) is a screenwriter, a professional writing coach, and the author of several books for children and young adults, including The Very Scary Almanac and The Almanac of the Gross, Disgusting & Totally Repulsive; three X-Files novels; and two books of scary short stories, Three-Minute Thrillers and More Three-Minute Thrillers. He has sold screenplays to Interscope, Walden Media, Revolution, and Universal Studios. He lives in Brandywine Canyon, California with his wife and son.