2. Washington D.C, U.S. Government Printing Office, 1988 (fourth edition), in-8°, 23,5 x 15 cm, xxxi + 463 pp, b/w ills., maps, bibliography, index, publisher's cased binding, ex-library (blank label on fly-leaf, but a good copy).Rare U.S. Government publication on the history,economics and politics of this country at the end of the 20th c..