Magic Tree House #50: Hurry Up, Houdini! (A Stepping Stone Book(TM))
MARY POPE OSBORNE is the author of theNew York Timesnumber one bestselling Magic Tree House series as well as co-author of The Magic Tree House Fact Tracker series, along with her husband, Will, and her sister Natalie Pope Boyce.SAL MURDOCCA has illustrated over 200 children's trade and textbooks. He currently teaches children's illustration at Parson's School of Design in New York City.