Mike Holmes has drawn for the comics series Bravest Warriors and Adventure Time and is the creator of the art project Mikenesses. His books include Secret Coders (written by Gene Luen Yang), Animal Crackers: Circus Mayhem (written by Scott Christian Sava), and the True Story collection. He and his wife, Meredith, live in Philadelphia with their son, Oscar, Heidi the dog, and Ella the cat.
Tui T. Sutherland is the author of the New York Times and USA Today bestselling Wings of Fire series, the Menagerie trilogy, and the Pet Trouble series, as well as a contributing author to the bestselling Spirit Animals and Seekers series (as part of the Erin Hunter team). In 2009, she was a two-day champion on Jeopardy! She lives in Massachusetts with her wonderful husband, two awesome sons, and two very patient dogs. To learn more about Tui's books, visit her online at tuibooks.com.