Polar Bears Past Bedtime (Magic Tree House, #12) by Mary Pope Osborne

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About the Book

Polar Bears Past Bedtime brings Jack and Annie's Master Librarian quest to its thrilling conclusion in the twelfth installment of Mary Pope Osborne's beloved, internationally bestselling series. This time, the magic tree house whisks the siblings away to the freezing Arctic, where they must solve the fourth and final riddle set by the enchanted Morgan le Fay in order to complete their journey. Unlike their previous adventures, Morgan promises them help along the way — and true to her word, a kind seal hunter appears to guide Jack and Annie through the region's harsh conditions, offering warm sealskin clothing and sharing fascinating insights into Arctic survival and Inuit culture.

But even with help, the Arctic proves treacherous: Jack and Annie must navigate cracking ice, brave bitter cold, and face a close encounter with a formidable polar bear and her cubs. As they observe the powerful animals and piece together the meaning of Morgan's final riddle — about something that covers reality, hides truth, and builds courage — the siblings edge closer to finally becoming true Master Librarians. Blending real Arctic science and culture with icy suspense and heart, Polar Bears Past Bedtime delivers a satisfying, exciting capstone to the four-riddle quest that has carried readers through deserts, oceans, ghost towns, and the African savanna.

Why Choose This Book?

• Part of a #1 bestselling series: The Magic Tree House series has sold over 134 million copies worldwide since its 1992 debut.
• The exciting conclusion of a quest: Completes the four-riddle Master Librarian storyline that began in earlier books in the series.
• Rich Arctic facts and culture: Introduces young readers to polar bears, sea ice, and Inuit traditions in an engaging, accessible way.
• A perfect nighttime read: Beloved by families as a cozy yet suspenseful bedtime chapter book.
• Part of a beloved, collectible series: Sets the stage for new adventures once Jack and Annie become full Master Librarians.

About the Author: Mary Pope Osborne

Mary Pope Osborne is the author of the New York Times number one bestselling Magic Tree House series, an international phenomenon that has sold more than 134 million books worldwide and been translated into 33 languages. She also co-authors the companion Magic Tree House Fact Tracker nonfiction series with her husband, Will Osborne, and her sister, Natalie Pope Boyce.

Who Should Read This Book?

• Young readers just beginning chapter books
• Kids who love Arctic animals, especially polar bears
• Parents and teachers looking for engaging early-reader series
• Fans of Jack and Annie's other Magic Tree House adventures
• Children curious about Arctic wildlife and Inuit culture

Why Buy From Us?

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Order now and brave the icy adventure in Polar Bears Past Bedtime — the exciting twelfth Magic Tree House book that brings Jack and Annie's riddle quest to a thrilling conclusion.