Susan McGrath

FOREWORD I vividly remember my excitement as a child each time an explorer visited our home. As I listened to one fascinating story after another, I came to see geography as an African plain full of wildlife, or the teeming, fragile web of life in a rain forest, or a polar region where only...

olves howl and yap and growl. A coyote lifts its head and howls. Wolves and coyotes don't use words. But they do send messages with sounds and smells and in other ways. All animals tell each other things. They communicate.

sal TITLE PAGE: Water sprays Jamila Jones, 13, of Oatiland, California, as she launches a toy rocket. Powered by water and compressed air—and following principles of Isaac Newton's third law of motion—the rocket climbs. Discover on pages 94 and 96 how these principles help to move racing...