Froggy and his friends build a treehouse, while avoiding help from his little sister, Frogilina.

A polar bear rides a whale to a tree rising out of the water. A brown bear joins it as the tree is the perfect place to read their books. When the waters recede, the bears are joined by other animals. The tree house is a place of wonder.

Andy and Terry travel through time trying to save their treehouse from highly talented, angry ants and Inspector Bubblewrap the building inspector while rushing to meet their publisher's deadline.

Andy and Terry live in the world's best treehouse! It's got a giant catapult, a secret underground laboratory, a tank of man-eating sharks and a marshmallow machine that follows you around and shoots marshmallows into your mouth whenever you're hungry! Just watch out for the sea monkeys, and the monkeys pretending to be sea monkeys, and the giant mutant mermaid sea monster ... oh, and, whatever you do, don't get trapped in a burp-gas-filled bubble!...

"Hidden high above the ground, we welcome you to Treehouse Town! Wander through the Birch Bazaar, hitch a ride on the Tulip Train, explore the library in the hemlocks, or play birdball high in the sky. There’s something for everyone in Treehouse Town, a world built by children that's as endless as their imaginations. With playful verse by Gideon Sterer and intricately detailed illustrations by Charlie Mylie that offer something new to spot with...

"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...

"Jack and Annie are whisked away to Mongolia to meet the near-extinct little horses and their caretakers, but can they help protect the last of the horses from predators?"--

Andy and Terry's incredible, ever-expanding treehouse has 13 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???

A collection of 13 short stories from the world of the New York Times-bestselling Treehouse chapter book series."-- A lot of stuff happens in our ever-expanding treehouse. Not everything gets into the books. These are some other things that happened to us ... Surreal, funny and supremely silly--all with the spirit of the Treehouse--come on up to hear some Tales from the Treehouse.

Andy and Terry live in a 130-story treehouse. It used to be a 117-story treehouse, but they added another 13 stories. It has a soap bubble blaster, a time-wasting level, a 13-story igloo, the GRABINATOR (it can grab anything from anywhere at any time). It is a toilet paper factory, and an extraterrestrial observation center for observing aliens. As it turns out, though, it's Andy, Terry, and Jill who are being observed and then abducted by a giant...