Heidi Elisabet Yolen Stemple is the author of more than thirty books for children, some of which she coauthored with her mother, Jane Yolen, including Not All Princesses Dress in Pink. Heidi lives in Hatfield, Massachusetts.

Aaron Spurgeon is a professional artist working in the animation industry. Aaron’s credits include Cloudy with a Chance of Meatballs 2 and the Mickey Mouse shorts, as well as several unreleased animation projects. When not working on movies, Aaron enjoys doing illustrations based on historical city locales and mentoring young artists. Aaron and his family live in Pasadena, California.

Birds of different feathers play bingo together, and watch the balls spin as they all hope to win.