Janey Levy 
Sharks and Cleaner Fish [PDF ebook] 

We all get by with a little help from our friends. You might not think of sharks as having friends, but they do. And those friends provide important help in keeping sharks clean and free of parasites. In return, sharks provide protection for their friends. This captivating volume will thrill young readers as they learn about the relationship between sharks and the various cleaner fish who help them. Vibrant, buoyant images, fun facts, and a graphic organizer enhance the narrative. This accessible text addresses important science concepts while keeping readers thoroughly entertained.