Do you think it would be fun to discover a dinosaur? What would you do if you found one? Sam Walker has always loved playing in the dirt. But one day he discovers something that will change his life forever. Sam's determination is tested when the job of digging up his dinosaur proves harder than he thought. But the rewards are greater than he could have imagined. Early readers are sure to love this story of family and wonder. Because what Sam finds in his backyard is a treasure of learning and adventure