MARY POPE OSBORNE is the author of the New York Times number one bestselling Magic Tree House® series as well as coauthor of the Magic Tree House Fact Tracker series, along with her husband, Will, and her sister, Natalie Pope Boyce.
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SAL MURDOCCA has illustrated more than 200 children’s trade books and textbooks. He is also a librettist for children’s opera, a video artist, an avid runner, a hiker, a bicyclist, and a teacher of children’s illustration at the Parsons School of Design. Sal lives and works in New York with his wife, Nancy.