Explore the underwater world of opposites in this board book from the New York Times bestselling Rainbow Fish series. Rainbow Fish's underwater world is filled with plenty of opposites, from a fast dolphin and a slow snail to a big whale and a little fish. With bold, beautifully rendered illustrations, this sturdy board book is perfect to keep up with little ones learning about different pairs. Also available in a bilingual English-Spanish edition: El Pez Arcoíris: Opuestos / The Rainbow Fish: Opposites.