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. 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.
"The longer format lends itself to the complex subject matter, and the cheer and humor with which Jack and Annie face obstacles, along with their thoughtful contemplation of what they have learned, prevent the story from being too scary for its audience. Fans of the series will be delighted." ---Booklist