Monday With a Mad Genius: A Merlin Mission

Mary Pope Osborne

Book 38 of Magic Tree House

Language: English

Published: Jan 2, 1999

Description:

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?