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).

The beauty of delicate butterflies is a joy to behold as they flit from flower to flower. But how does a squishy, crawling caterpillar turn into a delicate, flying butterfly? Our Amazing World Series, Advanced, explores the life cycle of monarch butterflies in this enchanting nonfiction book for young children. Did you know that the caterpillars that become monarch butterflies only eat milkweed? That’s where the monarch butterflies lay their eggs so the caterpillars have food when they’re born. The beautiful pictures and illustrations engage the imagination.