A fascinating celebration of the world's most enormous animals!SHORTLISTED FOR THE WEEK JUNIOR BOOK AWARDS 2026!Discover the magnificent megafauna that have shaped our planet - from the mighty megalodon, 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. Written by zoology correspondent, science-writer and broadcaster Jules HowardWith astonishing illustrations on every page by Gavin ScottWith a mega jacket cover that unfolds to become a poster!The perfect gift for any child aged 7+ with an interest in animals and protecting our planet