The magic tree house whisks Jack and Annie away to Australia where they must save some animals from a wildfire.

Eight-year-old Jack and his younger sister Annie use the magic treehouse to travel back to the Middle Ages, where they explore a castle and are helped by a mysterious knight.

Jack and Annie travel in their Magic Tree House back to a Hawaiian island of long ago where they make friends, learn how to surf, and encounter a tsunami.

Jack and Annie travel back to Victorian London when Merlin asks them to use their magic to inspire Charles Dickens to write "A Christmas Carol."

Jack and Annie are ready for their next fantasy adventure in the bestselling middle-grade series--the Magic Tree House! No girls allowed at the Olympic Games!That's the rule when the Magic Tree House whisks Jack and Annie back to ancient Greece. But when Annie tells jack to go to the games without her, he knows she's up to something. Will Annie find a way to see the games? Or will she get herself--and Jack--into Olympic-size trouble?

In their magic treehouse, Jack and Annie are again transported to King Arthur's realm, where invisible beings, giant ravens, and mistaken magic spells have a duke's castle in an uproar on Halloween night.

Jack and Annie travel back to 19th-century Ireland to inspire a young Augusta Gregory to share her love of Irish legends and folktales with the world.

Jack and Annie are transported to 1944 Europe, where they parachute behind enemy lines in Normandy, France, to help Allied forces during one of history's darkest moments.

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.

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