Jack and Annie are ready for their next fantasy adventure in the bestselling middle-grade series-the Magic Tree House! The Ice Age is very cool . . . for two kids in bathing suits! Jack and Annie nearly freeze when the Magic Tree House whisks them back to the time of cave people and woolly mammoths. But nothing can stop them from having another wild adventure-not even a saber-toothed tiger! Visit the Magic Tree House website! MagicTreeHouse.com