When a stegosaurus, a pterodactyl, and a triceratops all show up at Uncle Otto’s car lot, he doesn’t have a clue how to help them. After all, he’s never sold a car to a dinosaur before. Luckily, Ava and Mickey—two kids with a lot of dino knowledge—are there to help pair each customer with the perfect vehicle. But here comes the T. Rex, and he wants to buy a car too! And he’s surprisingly hard to please…So what kind of car does a T. Rex drive? A microcar? A convertible? A minivan? You’ll just have to read to find out!