SPYCOMM

From the back cover: "Mercenaries, renegade spies, drug smugglers, guerrillas, fugitives, and international terrorists all operate within the subterranean society of the "underground." These deadly groups and individuals must communicate secretly among themselves, with their sponsors, and sometimes with the rest of the world. They operate in specialized cells, using cutouts and safehouses, dead drops and microfilm. They steal long-distance telephone service and carry "bootleg" radio pagers to communicate without a trace. There are no rules or protocols in the conduct of these often illegal…