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

By Mary Pope Osborne
Paperback
$5.99
By Mary Pope Osborne
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JACK AND ANNIE are on a mission to save Merlin from his sorrows! Charged with finding the second of four secrets of happiness, 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?

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