Showing results for title "Monday with a Mad Genius", by author "Mary Pope Osborne" in Historical Fiction

Merlin Mission books 9-16 of the number-one New York Times best-selling Magic Tree House series, available together for the first time ever! Magic Tree House Merlin Missions are more challenging adventures for the experienced Magic Tree House fan. In each adventure Merlin the magician sends Jack and Annie on an adventure in the magic tree house.

Jack and Annie know they have to search for one of the four secrets of happiness to help Merlin the magician find joy in his life again. And so they head off in the magic tree house for Florence, Italy, in the early 1500s to spend the day with one of the greatest artists and inventors of all time: Leonardo da Vinci!