Katherine Noll is the author of more than 50 books for children. Her newest book,"Mirror, Mirror," is the first book in her first series for adults: "The Fat Fairy Tales." Katherine lives in Pennsylvania's Lehigh Valley. While she writes she is kept company by her dog Jamie, a zany terrier-mix,and her cats Cosmo and Sabrina who help her out by walking on her keyboard.

Tracey West is the New York Times bestselling author of Dragon Masters, a series in the Scholastic Branches line. She has written more than 400 books for kids, including the Pixie Tricks series and the Underdogs series with Kyla May. Some readers also know Tracey for writing books based on animation such as Pokémon and LEGO Ninjago. She currently lives in the western Catskills of New York with her husband, Bill; their adopted dogs; and a whole mess of chickens.