SImon and Schuster, 1966. First U.S. Edition, First Printing. Condition: Fine in a Very Good dustjacket. Bound in full black cloth with silver lettering on the spine, red publisher's topstain, deckled fore-edge pages. The spine is straight, corners are sharp and the binding is tight. The interior is clean with no markings of any kind. The unclipped dustjacket, illustrated by Paul Bacon, shows original $4.95 price, very good with a few nicks at the edges and some darkening. Protected in a clear archival mylar cover. This successor to The Quiller Memorandum is ".an espionage novel which loses nothing in comparison to Le Carre's The Spy Who Came In From the Cold." - Los Angeles Times. Carefully packaged and shipped in a sturdy cardboard box.