Tower of secrets
Subtitle: a real life spy thriller
By: Victor Sheymov.
Publisher: Naval Institute Press
Published: 1993
Place of publication: Annapolis, Md
Language: eng
Number of pages: 420
Subjects: Sheymov, Victor, 1946-; Soviet Union. Komitet gosudarstvennoĭ bezopasnosti.; Intelligence officers -- Soviet Union -- Biography.; Intelligence service -- Soviet Union.; Ciphers.
Description: Former KGB officer gives a detailed view of the secret communications security and signals directorate.