The magic tree house takes Jack and Annie to Antarctica to search for the fourth secret of happiness for Merlin.

Monday with a mad genius: Jack and Annie travel 500 years back in time to Florence, Italy, and spend a day helping Leonardo da Vinci in the hope of learning another secret of happiness. Dark day in the deep sea: When eight-year-old Jack and his seven-year-old sister, Annie, join a group of nineteenth-century explorers aboard the H.M.S. Challenger, they learn about the ocean, solve the mystery of its fabled sea monster, and gain compassion for their...

Books 1-8 of the New York Times bestselling Magic Tree House series plus an interview with Mary Pope Osborne!

Meet Jack and Annie!

Jack and his younger sister, Annie, are just regular kids. But when they discover a tree house in the woods, something magical happens. In books 1-4, Jack and Annie are whisked back in time to the Age of Dinosaurs, a medieval castle, ancient pyramids, and treasure-seeking pirates....

Dogs in the Dead of Night
Jack and Annie must find a rare flower to save one of their best friends! So when the magic tree house whisks them back in time to the Swiss Alps, they're confused. How can they find a flower buried under ice and snow? When they find an ancient monastery where monks and St. Bernards live, Annie offers to train a young dog named Barry. Then Barry runs away from the monastery, and Jack and Annie have a new task—find...

Books 17–24 of the New York Times bestselling Magic Tree House series!
 
These eight titles are the perfect gift for a Magic Tree House fan or any child who loves a good adventure. Parents, teachers, and librarians hail the chapter-book series as a tool to promote reading, as even the most reluctant readers want to know where the Magic Tree House will take the brother-and-sister team next.
 
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