Explore seas, swamps, deserts and mountains, from the earliest life on Earth to our present day, and get up close to our planet's all-time deadliest predators. Join the hunt with Velociraptor, defend your prey with mighty Smilodon, see how you measure up to the biggest shark of all time and take to the skies with some of the world's most incredible birds of prey. A stunning central gatefold opens to reveal a timeline of life on Earth and the size of these incredible hunters. visual timeline.