Linked to a BBC1 television series, this book follows each of six animals which make epic journeys on land, through the air and beneath oceans. It describes how they outsmart predators and provides views of some of the most spectacular landscapes on earth. The first journey features a barn swallow travelling from England to South Africa and back, the second an elver as it swims to Australia from its birthplace in the depths of the Pacific, and the third a caribou which crosses from the coast of Labrador to the Tundra plateau in Canada. A gray whale makes the 16,000-kilometre round trip from California to the polar waters of Alaska, a western diamond-back rattlesnake slithers across the Arizona desert, and in the final journey a monarch butterfly, weighing one-fiftieth of an ounce, makes an annual flight from Canada to Mexico.