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- Merlin Mission #10 Monday with a Mad Genius (Magic Tree House)
Merlin Mission #10 Monday with a Mad Genius (Magic Tree House)

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SKU: 6681
Monday with a Mad Genius By MARY POPE OSBORNE Illustrated by SAL MURDOCCA
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.
Paperback | Published by Random House Books for Young Readers Jan 13, 2009 | 144 Pages | 5-3/16 x 7-5/8 | 7-10 years
See also Magic Tree House Fact Tracker, Leonardo da Vinci (#6710)