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 books
Merlin 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
Have more fun with Jack and Annie at MagicTreeHouse.com!
- Arab American Heritage Month
- Enjoyed this year's Long Island Reads selection? Check out these titles too!
- Past Long Island Reads Picks
- Birds of a Feather
- National Autism Awareness Month
- National Poetry Month
- Passover
- Earth Day
- Blake Crouch: Dark Matter and More
- She doesn't even go here!: For fans of Mean Girls
- April Showers Bring May Flowers
- Not Just Another Teen Book- YA for Adults
- Retro Reads - Books from the 1900s
- See all
- Arab American Heritage Month
- Enjoyed this year's Long Island Reads selection? Check out these titles too!
- Past Long Island Reads Picks
- National Autism Awareness Month
- Earth Day
- Poetry Is Meant To Be Spoken
- National Poetry Month
- She doesn't even go here!: For fans of Mean Girls
- April Showers Bring May Flowers
- Page to Screen
- Not Just Another Teen Book- YA for Adults
- Retro Reads - Books from the 1900s
- New audiobook additions
- See all
- #ownvoices / Diverse Books
- Antiracism Resources
- Sheet Music & Song Books
- Bücher auf Deutsch / Books in German
- Civil Service Test Prep
- The Great Courses
- QuickReads Collection
- See all