Slow-moving, strange-looking sloths are only found in Central and South America. Readers are encouraged to learn about them while imagining themselves living the same arboreal life. With their algae-covered hair and hook-like claws, these mammals are presented in intriguing photographs and absorbing text. Readers will be astonished that giant sloths once roamed Earth. They'll also learn the differences between two- and three-toed sloths with the help of a graphic organizer.