Mary Pope Osborne

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Dark Day in the Deep Sea (Magic Tree House #39, A M …

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My Brother's Keeper

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Sirens and Sea Monsters

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American Revolution (Magic Tree House Research Guid …

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Ancient Rome and Pompeii (Magic Tree House Research …

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Favorite Norse myths

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Magic Tree House #41: The Magic Flute

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Magic Tree House Boxed Set, Books 13-16: Vacation U …

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Magic Tree House Boxed Set, Books 5-8: Night of the …

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Mermaid Tales from around the World