Titles in This Set: What if a... Could a Tiger Walk a Tightrope? What If: Would an Elephant Enjoy the Seaside? Could a Shark do Gymnastics? What If: Could a Crocodile Play Basketball? Could a Whale Swim to the Moon? There's a Triceratops in the Tree House There's a T-Rex in Town Could a Monkey Waterski? Could A Penguin Ride a Bike? Could An Octopus Climb A Sky Scraper?