Smith, Tom Rob Agent 6 / Agent six Tom Rob Smith - London : Simon & Schuster, 2011 - 545 p. ; 24 cm. ISBN: 9781847375681 (pbk.) 9781847375674 (hbk.) Subjects--Topical Terms: Secret service--Soviet Union--Fiction Subjects--Geographic Terms: Soviet Union--History--1925-1953--Fiction Index Terms--Genre/Form: Suspense fiction