Dinosaurs Before Dark (Magic Tree House) by Mary Pope Osborne

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?

The Magic Tree House series has been a beloved favorite for over 25 years and is sure to inspire a love of reading—and adventure—in every child who joins Jack and Annie!