This book provides a brief history of treehouses, from Caligula through the Medici to Queen Victoria. It shows how to design and build a treehouse, from picking the right tree to shingling the roof. And it tells the stories of dozens of treehouses and the people who built them, from simple platforms nailed together by kids to arboreal palaces constructed and lived in by grown-ups.

Andy and Terry recount the story of how they first met, an adventure marked by emergency shark operations, giant storms, and wooden pirate heads.

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.

"Andy and Terry live in a 143-story treehouse. (It used to be a 130-story treehouse, but they built another thirteen stories.) Andy's been a bit stressed out lately, so Terry decides the perfect way to relax would be to head up to their new camping ground level for a much-needed vacation. But it turns out to be not quite as relaxing as planned. Terry forgets to pack the tent and the food, their attempt at fishing ends in disaster, the spooky campfire...

The magic treehouse whisks Jack and Annie back to the days of deserted islands, secret maps, hidden gold, and nasty pirates.

Andy and Terry must get past their differences to save their story ideas from a herd of spy cows.

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...

Build your own treehouses, swing sets, skate ramp s, Ninja courses, and more! Kids and families of all ages are rediscovering the great outdoors, including their own backyards. It is more important than ever to be able to entertain our kids at home, teach them about nature, and give them a great time building, exercising, staying in shape, and working together. All of these actions help foster independence, confidence, and growth. In Do-It-Yourself...

The magic tree house takes Jack and Annie to Antarctica to search for the fourth secret of happiness for Merlin.

Andy and Terry try to solve the mystery of: What happened to Mr. Big Nose? After all, it's hard to turn in your next book when your publisher has vanished.