Amazon.com description: Product Description: The Science of Living Things series helps children understand that they are as connected to trees, rocks, and weather as the animals that live outdoors! This important series helps define the basic concept of life and investigates the incredible world of living things. Each book explores a basic scientific concept or animal using:
-- easy-to-understand text
-- clearly labeled diagrams
-- exciting, full-color photographs

While humans are different from monkeys, apes, and lemurs, they are all primates and are similar in many ways. For example, primates make many sounds that humans make, such as sneezes, burps, hiccups, and even laughter! What is a Primate? identifies the members of the primate family tree and describes how they are different from each other. This book describes:
-- reproduction, communication, and feeding
-- the complex social structures of primates
-- chimpanzees, bonobos, orangutans, and gibbons
-- Old and New World monkeys
-- how people are different
-- what is being done to rescue threatened primates from destruction by their human cousins