Engage Books presents Animals That Make a Difference, a Level 1 series by Ashley Lee and Jared Siemens. This series includes nine titles, including Bats, Bees, Birds, Dolphins, Horses, Ladybugs, Pigs, Sharks, and Squirrels. Level 1 readers are aimed at children who are starting to recognize common words and are capable of sounding out unfamiliar words. Short, simple sentences help guide the reader through new concepts and ideas.