This has for years been known as the "button bible" and is a MUST HAVE for any metal detectorist interested in learning more about the buttons they find. 

These are new books, still in shrink wrappings.  Bicentennial Edition by Alphaeus H. Albert. Hardbound, 511 pages.

A definitive listing of buttons from the armed forces, governmental, service and veteran organizations, educational and military training institutions, State seals, Confederate armed forces, political campaigns and illustrations with relative values for buttons from 1775-1976.

These are getting harder and harder to come by.