Monday with a Mad Genius cover art

Monday with a Mad Genius

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Monday with a Mad Genius

By: Mary Pope Osborne
Narrated by: Mary Pope Osborne
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About this listen

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 are on a mission to save Merlin from his sorrows! The brother-and-sister team travel back in the magic tree house to the period known as the Renaissance. This time, Jack and Annie will need more than a research book and a magic wand. They'll need help from one of the greatest minds of all time. What will they learn from Leonardo da Vinci?

Formerly numbered as Magic Tree House #38, the title of this book is now Magic Tree House Merlin Mission #10: Monday with a Mad Genius.

Did you know that there’s a Magic Tree House book for every kid?

Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books
Merlin Missions: More challenging adventures for the experienced reader
Super Edition: A longer and more dangerous adventure
Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures
Action & Adventure Chapter Books & Readers Fantasy Fiction Historical Historical Fiction Literature & Fiction Science Fiction Science Fiction & Fantasy Time Travel Arthurian Renaissance Magic
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