An introduction to the history of the universe, from the Big Bang to the origin of life on Earth, to the evolution of human beings. This text promotes the Gaia view of life, describing recent findings and putting the history of human beings into the timeline of the whole evolution of life.

In addition to the informative main text, which tells the lively story of the evolution of life, the book contains the original text and illustrations of the acclaimed "Walk Through Time" exhibition on tour around the world. This innovative exhibition tells the story of life's evolution in a mile-long walk highlighting the major developments. In the book, the text of the exhibition runs along the bottom of the pages, along with a timeline to show how many millions of years have passed. Beautifully written and lavishly illustrated, A Walk Through Time allows you to both savor the astonishing story of life's evolution through the engaging narrative of the main text and to enjoy the exhibition in the comfort of your own home.