This twenty-two volume set presents the appearance and behavior of thousands of species of animals along with species population and prospects for survival in a

This lavishly illustrated trade reference to mammals, birds, reptiles, amphibians, fishes, and invertebrates features hundreds of glorious photos, masterful ill

"Wildlife in a Changing World" presents an analysis of the 2008 IUCN Red List of Threatened Species. Beginning with an explanation of the IUCN Red List as a key