Island of Youth (Disney Elena of Avalor)

Judy Katschke is the bestselling author of more than 100 books for young readers, including movie and TV tie-ins for Disney and Nickelodeon properties, as well as Little Golden Book Biographies about the Beatles, Martha Stewart, and Barbra Streisand. Judy lives in New York City.

Mike Wall is a Welsh freelance illustrator and graphic designer who has worked as a background and visual development artist in the animation industry and as an illustrator for Disney Publishing. His illustrations appear in the Disney Junior Doc McStuffins book Doc Is the Best Medicine!