Mo Willems knows a Good Idea when he sees one. A three-time Caldecott Honor winner (for Don't Let the Pigeon Drive the Bus!, Knuffle Bunny, and Knuffle Bunny Too), he also won two Geisel Medals and two Geisel Honors for his Elephant and Piggie books. His books are perennial New York Times bestsellers, including Knuffle Bunny Free, Hooray for Amanda & Her Alligator!, and the Cat the Cat series. Before he turned to making picture books, Mo was a writer and animator on Sesame Street, where he won six Emmys. Mo lives with his family in Massachusetts.

F. Isabel Campoy is the author, translator, or anthologist of numerous books in the areas of poetry, theater, fictional narrative, biography, art, and bilingual education. She has been recognized with the Laureate Award from the San Francisco Public Library, the Reading the World Award, and many others. The California Association of Bilingual Education (CABE) has created an award in her name. She is a frequent speaker at national and international conferences on issues of transformative education, second language acquisition, and authentic writing. She lives in Northern California. www.isabelcampoy.com