image of Mary Pope Osborne

Mary Pope Osborne

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American tall tales

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Haunted Castle on Hallows Eve (Magic Tree House #30 …

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Magic Tree House Research Guide: Mummies & Pyra …

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Blizzard of the Blue Moon

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Monday with a Mad Genius (Magic Tree House, Book 38 …

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Season of the Sandstorms (Magic Tree House, 34))

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Adeline Falling Star

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Summer of the Sea Serpent

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Magic Tree House Boxed Set, Books 01-04: Dinosaurs …

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! 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. Jack and Annie are whisked back in …

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Night of the New Magicians