Seven Worlds One Planet - Hardcoverby Jonny Keeling (Author), Scott Alexander (Author), David Attenborough (Foreword by) Welcome home. A place 200 million years in the making. Long ago, our planet had only one gigantic land mass. Then something monumental happened. That supercontinent ruptured and seven different worlds were born. Each of those worlds or continents evolved, and continues to evolve, its own way of life. From the jungle of the Congo or the majestic Himalayas to the