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? Used with permission from Random House.
For more fun facts behind the fiction, don't miss the Magic Tree House Research Guides! The Research Guides provide information about the times, places, and cultures Jack and Annie visit on their Magic Tree House adventures. For this title, see Magic Tree House Research Guide #19: Leonardo DaVinci.
