First edition. Thick Royal 8vo. 448pp. Black cloth boards lettered in silver to spine, red wax seal embossed to upper cover; beige endpapers. Dust jacket design by Raymond Hawkey with an illustration by Harry Willock.
Upper edges slightly bumped; dustjacket somewhat edge-creased and rubbed.
Author's fifth novel. A cold war thriller from the author of The Day of the Jackal on a Soviet attempt to smuggle nuclear weapons into the UK. The title refers to the 1968 Nuclear Non-Proliferation Treaty, which supposedly contained four secret protocols, the fourth, of which, was meant to prohibit the non-conventional delivery of nuclear weapons.
Filmed for the big screen in 1987 by John Mackenzie from a screenplay by George Axelrod and Richard Burridge, it starred Michael Caine, Pierce Brosnan, Ned Beatty, Ian Richardson and Joanna Cassidy. "When it comes to espionage, international intrigue and suspense, Frederick Forsyth is a master." –The Washington Post