Books 9Ð12 of the New York Times bestselling Magic Tree House series boxed together for the first time!

These four titles are the perfect gift for a Magic Tree House fan or any child who loves a good adventure. Parents, teachers, and librarians hail the chapter-book series as a tool to promote reading, as even the most reluctant readers want to know where the Magic Tree House will take the brother-and-sister team next.

In books 9Ð12, Morgan le Fay, the magical librarian of Camelot, challenges Jack and Annie to find the answers to four riddles. To do so, they must travel under the sea and to the Wild West, the African plains, and the frozen Arctic. ItÕs a difficult and dangerous task, but if Jack and Annie succeed, they will become Master Librarians!

Books in this set include: Dolphins at Daybreak (#9), Ghost Town at Sundown (#10), Lions at Lunchtime (#11), and Polar Bears Past Bedtime (#12).

DonÕt miss all the fun things you can do and discover at MagicTreeHouse.com!