Eight-year-old Jack and his younger sister Annie find a magic treehouse, which whisks them back to an ancient time zone where they see live dinosaurs.

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 magic tree house takes Jack and Annie back in time to feudal Japan where the siblings learn about the ways of the Ninja.

The magic tree house transports Jack and Annie on a mission to the Ice Age where they encounter Cro-Magnons, cave bears, sabertooth tigers, and woolly mammoths.

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.

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.

Their magic tree house takes Annie and Jack to Pompeii just as Vesuvius is about to erupt, and they must find a Roman scroll before everything is covered with burning ash.

Their magic tree house takes Jack and Annie back to a monastery in medieval Ireland, where they try to retrieve a lost book while being menaced by Viking raiders.

Jack and Annie are in for an exciting, scary, and sad adventure when the Magic Tree House whisks them back to the decks of the Titanic. Is there anything they can do to help the ill-fated ship? Will they be able to save anyone? Will they be able to save themselves?

Having used their magic tree house to travel to India, where they must get a gift to help free the dog Teddy from a spell, Jack and Annie have adventures involving a tiger and other endangered jungle animals.

The magic tree house whisks Jack and Annie back to a field hospital during the American Civil War. There they meet a famous nurse named Clara Barton and do their best to help wounded soldiers. It is their hardest journey yet--and the one that will make the most difference to their own lives!

When Jack and Annie travel back to the Kansas prairie in search of "something to learn," they gain an understanding of how hard life was for pioneers and they experience the terror of a tornado.

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.

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.

-- this   Discover history, mystery, humor, and baseball in this one-of-a-kind adventure in Mary Pope Osborne’s New York Times   Magic Tree House books, with fiction and nonfiction titles, are perfect for parents and teachers using the Core Curriculum. With a blend of magic, adventure, history, science, danger, and cuteness, the topics range from kid pleasers (pirates, the Titanic, pandas) to curriculum perfect (rain forest, American Revolution,...

"The magic tree house whisks Jack and Annie back in time to meet famed Roman emperor Marcus Aurelius!"--

When the magic tree house whisks Jack and Annie off to Greenland, they're not sure what time they've landed in, but they immediately know what their mission is: save a narwhal! Then they meet a young hunter named Leif Erikson and they ask for his help. But Leif has other ideas...

"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"--

"The magic tree house whisks Jack and Annie to Africa where they must use magic to save a rhino and her baby from poachers"--

"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?"--