Drawing on the IUCN Red List of Threatened Species - the world's most objective and authoritative inventory of species at risk of extinction, the Red Book combines awe-inspiring imagery with solid science and factual accounts. More than 100 stunning photographs from some of the most renowned photographers reflect the extraordinary beauty and diversity of the natural world. The book provides a snapshot of the Red List, how it is compiled, and offers unique insight into a selection of species included, together with the actions needed to save them.