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...

"The magic tree house has whisked Jack and Annie to the Himalayas in Nepal. They're searching for the mysterious Gray Ghost...Jack does not want to find a ghost. But he and Annie are excited about all the amazing animals they see. So excited, in fact, that Annie and Jack get lost in the mountains! Can they make their way to safety before the Gray Ghost finds them?"--

Books 1-8 of the New York Times bestselling Magic Tree House series plus an interview with Mary Pope Osborne!

Meet Jack and Annie!

Jack and his younger sister, Annie, are just regular kids. But when they discover a tree house in the woods, something magical happens. In books 1-4, Jack and Annie are whisked back in time to the Age of Dinosaurs, a medieval castle, ancient pyramids, and treasure-seeking pirates....

"The magic tree house whisks Jack and Annie away to South America, where they must climb Machu Picchu to save a baby llama."-- Provided by publisher.

When eight-year-old Jack and his seven-year-old sister, Annie, join a group of nineteenth-century explorers aboard the H.M.S. Challenger, they learn about the ocean, solve the mystery of its fabled sea monster, and gain compassion for their fellow creatures.

Books 9–16 of the New York Times bestselling Magic Tree House series!
These eight titles are the perfect gift for a Magic Tree House fan or any child who loves a good adventure. Parents, teachers, and librarians hail the chapter-book series as a tool to promote reading, as even the most reluctant readers want to know where the Magic Tree House will take the brother-and-sister team next.
 
In books 9–12,...

Jack and Annie travel to a monastery in the Swiss Alps where, with the help of St. Bernard dogs and magic, they seek the second of four special objects necessary to break the spell on the wizard Merlin's beloved penguin, Penny.

Magically transported to southwest China to find the final object needed to break the spell on the wizard Merlin's beloved penguin, Jack and Annie take a side trip to the world's largest giant panda reserve.

Join Jack and Annie in three adventures in the Magic Tree House, from the imaginative mind of author and reader, Mary Pope Osbourne.
#33: Carnival at Candlelight: Merlin has asked Jack and Annie to help on another Merlin Mission. This time they head back into history to Venice, Italy. With the help of a research book, a book of magic rhymes, and a set of mysterious instructions from Merlin, the heroes will save the beautiful city from...

Magic Tree House #48: A Perfect Time for Pandas

Time-traveling brother-and-sister team Jack and Annie have to find a certain kind of food—the fourth thing needed to save Merlin's beloved penguin, Penny. The magic tree house whisks them off to a village in the mountains of southeast China, close to a world-famous panda reserve. Will it be their easiest adventure yet? Not a chance! Jack and Annie don't know it, but they've arrived...