U.F.O.

Vietnam vet leaves the ugly congestion of Los Angeles and moves north to the "paradise" of rural Oregon. He is soon befriended by a group of hardcore paramilitary survivalists, who try to bring him into their circle of righteous Armageddon-ready warriors. Put off by their extreme views, he refuses their offer and, now knowing too much, becomes the target of their aggression... fighting to survive against the odds in the wilderness.

An alien and a robot land on Earth after World War II and tell mankind to be peaceful or face destruction.

When a train carrying atomic warheads mysteriously crashes in the former Soviet Union, a nuclear specialist discovers the accident is really part of a plot to cover up the theft of the weapons. Assigned to help her recover the missing bombs is a crack Special Forces Colonel.

Inept beings from the planet Kabijj land on Earth and attempt to behead all of its beings and take over the planet

Deeply ensconced in a top-secret military program, three pilots struggle to bring an artificial intelligence program under control ... before it initiates the next world war.

After the Cold War, a breakaway Russian republic with nuclear warheads becomes a possible worldwide threat. U.S. submarine Capt. Frank Ramsey signs on a relatively green but highly recommended Lt. Cmdr. Ron Hunter to the USS Alabama, which may be the only ship able to stop a possible Armageddon. When Ramsay insists that the Alabama must act aggressively, Hunter, fearing they will start rather than stop a disaster, leads a potential mutiny to stop him.

The residents of a small town are excited when a flaming meteor lands in the hills, until they discover it is the first of many transport devices from Mars bringing an army of invaders invincible to any man-made weapon, even the atomic bomb.

A lone drifter stumbles upon a harrowing discovery - a unique pair of sunglasses that reveals that aliens are systematically gaining control of the Earth by masquerading as humans and lulling the public into submission.

Three bounty hunters from space fly back to the town of Grovers Bend, hoping to save local residents from a new batch of Critter eggs.

A few years from now, Earth will have the first contact with an alien civilization. These aliens, known as Newcomers, slowly begin to be integrated into human society after years of quarantine.

Set in the future, the story follows a young soldier named Johnny Rico and his exploits in the Mobile Infantry. Rico's military career progresses from recruit to non-commissioned officer and finally to officer against the backdrop of an interstellar war between mankind and an arachnoid species known as "the Bugs".