Pete invites his friends over, but when he finds that his tree house is not big enough for everyone, they work together to build a fun place that can house everyone.

Children and their robot friend build a treehouse in a rhyme that fits the tune of "London Bridge is Falling Down." Includes facts about simple machines, jobs robots do, an activity, and musical notation.

Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle. Morgan le Fay will make Jack and Annie masters of the tree house if only they can solve four riddles -- which will take four books, of course! Dolphins at Daybreak begins the third set of four books in this magical (and increasingly popular) series! Jack and Annie are off in the Magic...

Their magic tree house takes Jack and Annie to the Arctic, where a polar bear leads them onto very thin ice.

Jack and Annie are transported by their magic tree house to the time of the Civil War where they meet Clara Barton.

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 tree house takes Jack and Annie to an African rainforest, where the siblings encounter gorillas and learn to communicate with them.

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.

The Alden children are helping their new neighbors build a tree house when they discover an attic window that not even their neighbors knew about.

When their over-the-top ideas expand their amazing treehouse to include a giant submarine sandwich shop and a human pinball machine, Andy and Terry find themselves babysitting Mr. Big Nose's three troublesome grandkids.