It is difficult to imagine a subject with more elusive data than this. The source and location of clandestine radio broadcasts are, by definition, secret. White' stations openly identify themselves (such as Radio Free Europe), and gray' stations are purportedly operated by dissident groups within a country, although actually they might be located in another nation; but black' stations transmit broadcasts by one side disguised as broadcasts by another. . . . This] is an extraordinary book. It belongs in every research library concerned with war and revolution and international...