Did you know that a long time ago, the world was covered with ice? The Ice Age was a time when dinosaurs still ruled the Earth. Learn more about the Ice Age in

In this engrossing and accessible book, Doug Macdougall explores the causes and effects of ice ages that have gripped our planet throughout its history, from th

Explore the water, land, and air around us with this entertaining and informative look at our magnificent planet—and learn how your experiments, activities, a

"John and Mary Gribbin tell the remarkable story of how we came to understand the phenomenon of Ice Ages, focusing on the key personalities obsessed with the se

A mesmerizing overview of the world as it was when glaciers covered the earth and long-extinct creatures like the woolly mammoths and saber-toothed cats battled