Cougars - Our Wild World Author:Patricia Corrigan These solitary big cats live only in North America. Cougars are very secretive. This book explains some of the mysteries about cougars, such as: Why do cougars have two layers of fur? How do they keep their claws sharp? Why do males mark their territory? When do kittens leave their mother? The author does a great job of telling the cougar'... more »s story in the text and "Fun Facts." The accompanying detailed illustrations and up-close photographs are excellent. The index makes an easy reference. Readers will also learn more about cougars from the list of internet sites. This book is ideal material for children ages 7-10.« less