The Clements checklist of birds of the world: sixth edition.
Ithaca: Cornell University Press, (2007. sixth edition). Quarto, endpaper maps, fine copy in dustwrapper.
WAS $90. This comprehensive and completely revised edition with: the scientific name of each species and subspecies; its best-known English name; a description of the range of each species and subspecies; a gazetteer with geographic coordinates of over 2,000 places mentioned in the text; a complete bibliography; a scientific and common name index of each species; a table showing the world distribution of total bird species and endemics by country. Forewords by Jared Diamond and Anthony W. White. Preface by John W. Fitzpatrick.
FOR UPDATES go to http://www.birds.cornell.edu/clementschecklist/updateindex/sep12overview/
http://www.birds.cornell.edu/clementschecklist/overview-august-2013/.