Jack and his younger sister take a trip in their tree house back to ancient Egypt, where they help a queen's mummy continue her voyage to the Next Life.

Their magic tree house 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.

Pete Nelson, the world's best-known treehouse designer and builder, wants to put readers in trees--his motto is, "get 'er done, so you can BE in a TREE." His new book is a comprehensive source of inspiration and practical information about treehouse design and construction. To that end, he shares the basics of treehouse construction with his own recent projects as case studies. Using photographs taken especially for this project along with diagrams,...

Their magic tree house takes Jack and Annie back to a monastery in medieval Ireland, where they try to retrieve a lost book while being menaced by Viking raiders.

Sam and Spider build a tree house and go there with Lolly to trade stories.

The magic treehouse takes Jack and Annie to a moon base in the future where they continue to search for the fourth thing they need to free their friend Morgan from the magician's spell.

The magic tree house takes Jack and Annie to Africa where they meet up with wonderful wild animals, a very hungry warrior, and where they even solve a riddle.

The magic treehouse takes Jack and Annie back two thousand years to ancient China where they must find the original copy of an old legend before the Imperial Library is burned down by the evil Dragon King.