The unicorn, dinosaur, and shark who "walked" into a book are back. This time, they're riding a bicycle--or are they? What is a unicorn, a dinosaur, and a shark to do when they just want to relax, but the narrator of the book keeps INSISTING that they're riding a bicycle? Who calls the shots in a story, anyway--the narrator, or the characters? Find out in this follow-up to A Unicorn, a Dinosaur, and a Shark Walk into a Book that will leave young readers...