It's off to Ancient Greece for the children and the tree house ! They land just in time for the exciting Olympic Games, with the athletes, wrestlers and chariot racers all ready to go. But when Annie finds out no girls are allowed, there's trouble in store . . .
Mary Pope Osborne
Mary Pope Osborne is the author of the New York Times number one bestselling Magic Tree House series as well as co-author of the Magic Tree House Fact Tracker series, along with her husband, Will, and her sister, Natalie Pope Boyce.