For the youngest readers, the board book edition of the third book in the New York Times bestselling Rainbow Fish series. It's a whale of a tale in which a terrible misunderstanding escalates, putting Rainbow Fish and his friends in great danger. When a big blue whale comes to live near their reef, there is a misunderstanding between him and Rainbow Fish and his friends that leaves everyone very unhappy and hungry. Rainbow Fish must try to make peace with the big blue whale to save them all from disaster.