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

Eight-year-old Jack and his younger sister Annie find a magic treehouse. Each book in the collection takes them to different places.

Tonight on the Titanic: The magic tree house transports Jack and Annie to the deck of the Titanic to find a mysterious gift that will free a small dog from a magic spell. Buffalo before breakfast: The magic tree house takes Jack and his sister Annie to the Great Plains where they learn about the life of the Lakota Indians. Tigers at twilight: Having used their magic tree house to travel to India, where they must get a gift to help free the dog Teddy...

When his dad builds him a tree fort, Russell thinks it is perfect--right up until he notices another tree fort going up three houses over.--from Publishers description.

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

Fifth-grader Winnie, with notes from her friends, writes of turning her treehouse into an embassy after her newly-divorced parents become unreasonable, where she is joined by nine others with complaints.

"This is the house where Jill plays. This is the oak that holds the house where Jill plays. This is the nut that fell from the oak that holds the house where Jill plays ... So begins Sangeeta Bhadra's The Nut that Fell from the Tree, a cumulative tale that pays homage to "The House that Jack Built," and a playful account of how difficult it is for an acorn to grow up into an oak! The story follows the acorn along an arduous journey, in which, after...

"When the magic tree house whisks Jack and Annie back in time, they land in the tallest tree in Yosemite, California where they join nature conservationist, John Muir, and US President Teddy Roosevelt on a historic trip through the woods"--

"In the fort in the woods, a prince is preparing his castle for a lively feast for the royal kingdom. Unbeknownst to him, a pirate uses the same fort as her ship, planning to venture out to the open seas in search of treasure. But when a treasure map appears on the prince's party invitations, and the pirate finds that her sword has turned into a scepter, they realize there is an intruder in the castle--no, ship! Soon, a battle over the fort between...

Jack and Annie travel in their magic tree house to Elizabethan London, where they become actors in a production of A Midsummer Night's Dream and try to rescue a tame bear.