Their magic treehouse takes Jack and Annie back to retrieve a lost story in ancient Greece, where they witness the original Olympic games and are surprised to find what girls of the time were not allowed to do.

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Getting the facts behind the fiction has never looked better.  Track the facts with Jack and Annie!!
When Jack and Annie got back from their adventure in Magic Tree House #16: Hour of the Olympics, they had lots of questions. What did the ancient Greeks wear? What did they do for fun? Where were the...

Books 9–16 of the New York Times bestselling Magic Tree House series!
These eight 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 9–12,...