Children return to this beautiful book repeatedly to learn more about the mammoth beauties of the sea. Did you know an octopus can change its color and the texture of its skin or that sunfish lay millions of eggs? Advanced early readers recognize words they know in this exceptional nonfiction book from Our Amazing World Series, Advanced, and are motivated to add new words to their vocabulary, such as plankton and tongue, as well as explore combinations from words they know like sun and fish (sunfish) and blue and fin (bluefin).