Text about and photography of experiments, animals, plants, bones, and fossils reveal the ideas and discoveries that have changed our understanding of the natural world and how life began.

Discusses the evolution of different animals on the planet, exploring a time in the prehistoric world when crocodiles were warm-blooded, snakes had legs and burrowed underground, and tiny elephants lived on islands.

"In 1831, at the age of twenty-two, Charles Darwin embarked on a momentous five-year-long voyage on the HMS Beagle. His observations during this voyage led Darwin to eventually conclude that all species of plant and animal life have slowly evolved over thousands of years, adapting themselves to their environment by a process of natural selection. This book tells the story of Darwin's life, detailing the findings and events that led him to develop...