. . SHARK! This fun Step 1 book about two sharks is a study in opposites. Big Shark has big teeth; Little Shark has little teeth. Big Shark swims fast; Little Shark swims slow. But they are both hungry! Will they each succeed in finding a tasty snack? Little Shark is hoping that he won't become fast food for Big Shark!Step 1 Readers feature big type and easy words for children who know the alphabet and are eager to begin reading. Rhyme and rhythmic text paired with picture clues help children decode the story.