Rivertown Risk, by Joe L. Hensley (Condor, 1977).From a charity
The Night-Comers, by Eric Ambler (Fontana, 1974).From Ebay.
Innocent Bystander, by Craig Rice (Consul Books, 1965).From Ebay.
The Most Dangerous Game, by Gavin Lyall (Pan, 1966).From Ebay.
Photo Finish, by Jean Bruce (Corgi, 1965).From a charity shop
The Complete Short Stories of Ambrose Bierce Vol. II: The World