Jack and Annie go on a series of missions in order to help the wizard Merlin, traveling around King Arthur's realm and to such places as Venice, Baghdad, Paris, and New York City.

Their magic tree house takes Jack and Annie back to ancient Greece, where they witness the Olympic games and are surprised to find what girls of the time were not allowed to do.

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.

Travel to Ancient Greece with Jack and Annie as they meet Alexander the Great and help tame his wild stallion.

A Quaker girl's diary reflects her experiences growing up in the Delaware River Valley of Pennsylvania and her capture by Lenape Indians in 1763.

"The magic tree house has taken Jack and Annie back in time to England in 1944. England is fighting for its life in World War II. Before long, Jack and Annie find themselves parachuting into Normandy, France, behind enemy lines. The date is June 5. Will the brave brother and sister team be able to make a difference during one of the darkest times in history?"--

Odysseus is far from home, tossed by stormy seas and cursed by an angry one-eyed giant.

"Jack and Annie use the magic tree house to travel back in time to 1947 Brooklyn, New York, where they pretend to be batboys at Jackie Robinson's first game with the Brooklyn Dodgers against the Boston Braves"--

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.