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

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

"A crucial, genre-bending tale, equal parts Ned Vizzini and Patrick Ness, about the life-saving power of friendship. Solomon and Ash both experienced a traumatic event when they were twelve. Ash lost all memory of that event when she fell from Solomon's treehouse. Since then, Solomon has retreated further and further into a world he seems to have created in his own mind. One that insulates him from reality, but crawls with foes and monsters . . ....

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.

"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"--

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

"The magic tree house whisks Jack and Annie away to Greenland where they discover they've traveled back in time to meet Lief Erikson"--

"When the magic tree house returns it whisks Jack and Annie away to the Galapagos Islands where they become World Turtle Experts and must save a tortoise in danger of an erupting volcano"--

Dolphins at daybreak: 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. Ghost town at sundown: 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. Lions at lunchtime: The magic tree house takes Jack and Annie to Africa where they meet up with wonderful...

Jack and Annie travel back to nineteenth-century Ireland to inspire a young Augusta Gregory to share her love of Irish legends and folktales with the world.