Jack and Annie travel to Italy in the Renaissance, a time when every new morning brought with it the promise of artistic and scientific wonder. There, they meet none other than Leonardo da Vinci. This edition includes all-new back matter full of activities. Illustrations.

Jack and Annie travel to Italy in the Renaissance, a time when every new morning brought with it the promise of artistic and scientific wonder. There, they meet none other than Leonardo da Vinci. This edition includes all-new back matter full of activities. Illustrations.

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 booksMerlin 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