Jack and Annie's very first fantasy adventure in the bestselling middle-grade series—the Magic Tree House!

Where did the tree house come from?

Before Jack and Annie can find out, the mysterious tree house whisks them to the prehistoric past. Now they have to figure out how to get home. Can they do it before dark . . . or will they become a dinosaur's dinner?

Mary Pope Osborne has channeled a lifelong love of exploration and travel into one of the most popular children’s book series of the past two decades. With her fantastic Magic Tree House series, Mary Pope Osborne keeps the good times rolling for kids all over the world.