Desmond Bagley

Joseph Rearden takes the fall for a robbery and winds up in the Scrubs. From there he escapes in the company of a convicted spy and is taken to a remote manor at an unknown location where he is kept isolated. He overpowers his guard and flies, but nothing is quite what it seems in this drama of intrigue as Rearden pursues his quarry from Ireland to Malta. (imdb)

A CIA agent and a geneticist battle to keep a deadly biological weapon from falling into the wrong hands when the weapon's inventor is kidnapped. (imdb)

A man in Central America finds his brother's murdered body. It turns out that his brother has been murdered because he knows the whereabouts of a lost city in the jungle. The man teams up with a search expedition and goes off to hunt for these ancient ruins. Unfortunately, almost every member of the group has plans to double-cross the others. All is resolved in bloody fashion in the middle of the jungle wilderness. (imdb)

Amnesiac geologist Robert Boyd is working on a project that he had been retained to do. He has no memory of the past, but during the project, his memory begins to return, and the memories are not happy ones. (imdb)