A seminal historic work that has never been out of print, this book contains the text of the sixth edition, the last edition published during Darwin´s lifetime and the last to include his own amendments. With over 100 contemporary natural history illustrations, many drawn from the findings of the seminal Beagle voyage, this is a world-changing text read by millions of people that continues to be at the heart of debate on the origin and evolution of mankind. The text is preceded by a detailed introduction to Darwin´s life and work, setting out the major themes that follow and describing their impact. Highly illustrated with attractive contemporary images, this book contains a detailed contents, glossary and index to enable the reader to find their way about the work.