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.

Built on a treeless yard by a family who cleared away all the sprouting trees on the property, a house is eventually abandoned and left to deteriorate on a lot that is gradually overrun by wild trees, in a poignant tale of loss, change, and nature's quiet triumph.

Their magic tree house takes Jack and Annie back to the Wild West, where they experience excitement and danger and try to solve a riddle.

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.

"When Andy develops a severe toothache that prevents him from writing new jokes for their book, Terry uses their fantastical treehouse's money-making machine funds to purchase a Joke Writer 2000, with unexpected results."--

The magic tree house takes Jack and Annie to Antarctica to search for the fourth secret of happiness for Merlin. La casa mágica del árbol lleva a Jack y Annie a la Antártida para buscar el cuarto secreto de la felicidad para Merlín.

While on a mission to prove to Merlin that they can use magic wisely, Jack and Annie travel to seventeenth-century Venice, Italy, to save the city from disaster.

"When a new family moves into town, Kitty is excited to make another friend. But George, Kitty's new neighbor, is quiet and seems to have nothing in common with Kitty. When night approaches, Katsumi, a member of Kitty's cat crew, tells Kitty about a dog causing a commotion in the bakery. Kitty decides to use her catlike superpowers to investigate, and it turns out that George has his own superpowers, too! Together, they set off to track down the mischievous...

Jack and Annie travel in their magic treehouse to the year 1621, where they celebrate the first Thanksgiving with the Pilgrims and Wampanoag Indians in the New Plymouth Colony.

Andy and Terry's incredible, ever-expanding treehouse has thirteen new storeys, including a watermelon-smashing level, a wave machine, a life-size snakes and ladders game (with real ladders and real snakes), a rocket-powered carrot-launcher, a Ninja Snail Training Academy and a high-tech detective agency with all the latest high-tech detective technology, which is lucky because they have a BIG mystery to solve; where is Mr. Big Nose???