For 4 600 million years there has been some form of life on Earth. At first the Earth was a mass of raging fires and volcanoes so early forms of life began in the seas. Prehistoric Life tells the story of these and the succeeding life forms - everything from microscopic organisms to early humans.We know about the great diversity of early life through the fossil finds from many different countries. Prehistoric Life describes how these fossils fit together into a giant jigsaw. Using reconstructions and authentic models such fascinating creatures from Earth's prehistory as the great dinosaurs the ferocious sabre-toothed tiger and the giant woolly mammoth are brought vividly to life.Prehistoric Life is an exciting introduction to what life was like millions of years ago.