A letter from Mary Pope Osborne! 5 full color pages from the Dinosaur fact tracker! Bio of the illustrator! The history of the Magic Tree House! Jack and Annie\u2019s very first fantasy adventure in the bestselling middle-grade series\u2014the Magic TreeHouse! 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\u2019s dinner?