Melchior I. Sleeper Agent / Ib Melchior. — New York : Harper and Row, Publishers, 1975. — 299 p.
Анотація: A Sleeper Agent is a highly trained, totelly dedicated secret agent placed in a country by a foreign power well in advance of any contemplated action. He will marry, work and wait for the day his native land will can upon him to carry out, at any risk, any task demanded, whether his wait as a sleeper in years, or decades.