The world's most comprehensive, well documented, and well illustrated book on this subject. With extensive subject and geographical index. 113 photographs and i

This book won the prestigious Oberly Award for the best bibliography in the agricultural or natural sciences in 2009 It contains 2,336 references. Begins with a

The world's most comprehensive, well documented and well illustrated book on this subject. With extensive subject and geographical index. 615 photographs and il

The world's most comprehensive, well documented, and well illustrated book on this subject. With extensive subject and geographic index. 245 photographs and ill

The world's most comprehensive, well documented and well illustrated book on this subject. With extensive subject and geographical index. 463 photographs and il