The Rainbow Fish OppositesBy: Marcus Pfister Series: Rainbow Fish Explore an undersea world full of opposites in this board book from the New York Times bestselling Rainbow Fish series. Up down, in out, over under, big little, long short This glittering board book, filled with colorful images from Rainbow Fish's undersea world, is the perfect introduction for very young children to the concept of opposites. In keeping with the classic picture book story, The Rainbow Fish, the