What's the difference between a monkey and an ape? How many species of monkeys are there? How smart are monkeys? These questions and more are explored as readers discover the incredible variety of monkey species and their remarkable behaviors. From clever tool use to complex social structures, this book uncovers how monkeys survive, communicate, and thrive in their environments. Vivid full-color photos and engaging sidebars bring the world of monkeys to life. A list of age-appropriate books and websites provides a starting point for further independent research.