Mary Pope Osborne Books
Haunted castle on Hallows Eve
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In their magic treehouse, Jack and Annie are again transported to King Arthur's realm, where invisible beings, giant ravens, and mistaken magic spells have a duke's castle in an uproar on Halloween...
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Magic Tree House Volumes 9-12 Boxed Set
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Magic. Mystery. Time-travel. Get whisked back in time in the magic tree house with Jack and Annie in this boxed set featuring books 9-12 of the #1 bestselling chapter book series!Morgan le Fay, the...
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Summer of the Sea Serpent
Jack and Annie travel in their magic tree house to the land of the mystical selkies to seek a magical sword for Merlin.
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Winter of the Ice Wizard
Jack and Annie are joined by Teddy and Kathleen as they travel to the snowy Land-Behind-the-Clouds, where they search for the eye of the Ice Wizard and attempt to help Merlin and Morgan.
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Magic Tree House 34: Season of the Sandstorms
Guided by a magic rhyme, Jack and Annie travel to ancient Baghdad on a mission to help the Caliph disseminate wisdom to the world.
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Season of the Sandstorms
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The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Jack and Annie travel back in time to a desert in the Middle East...
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Magic Tree House 33: Carnival at Candlelight
While on a mission to prove to Merlin that they can use magic wisely, Jack and Annie travel to seventeenth-century Venice, Italy, to save the city from disaster.
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Carnival at Candlelight
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The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Jack and Annie head back in time to Venice, Italy in the 1700s. W...
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Night of the New Magicians
Jack and Annie visit the Paris World's Fair of 1889 in an effort to protect four scientific pioneers from an evil sorcerer.
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