This is a records book of the description and rarity levels of all of the known birds ever seen in the Berkshires. This Life's Work was compiled by the late David St. James. It also contains a history of Berkshire Native, Ralph Hoffmann, who gained fame as a nationally-recognized ornithologist and botanist, as well as a history of the Hoffmann Bird Club, which was founded in 1940. Stapled paperback, with 160 pages, with Introduction, References, List of Abbreviations, List of People mentioned in the text, and 2 Indexes for birds (one of common English names & one of scientific).