Photographs and text trace the migrations of whales as they travel the world's oceans in search of food and mates, and provide information about the physical characteristics and behavior of whales.
Photographs and text describe how elephants migrate from the furthest corners of the Sahara Desert in search of food and water, and provide information about the physical characteristics and behavior of elephants.
Explores how animals around the world are driven by natural instinct to travel great distances each year and describes the migrations of the zebra, walrus, and Christmas Island red crab.
