"Discover the magnificent megafauna that have shaped our planet - from the mighty mammoths, sabre-toothed cats and giant birds that existed millions of years ago, to the elephants, giraffes and whales that live today. But why did some of the largest creatures on Earth go extinct? What do we know about their lives from the clues they left behind? And how can we protect the megafauna that roam our planet today? Unearth these secrets and many more in this captivating compendium."--Publisher.