The Ambassadors of Death

Britain’s Mars Probe 7 returns to Earth after a mysterious communication breakdown and its crew are kidnapped by a gangster. These returned astronauts can kill with a simple touch. The Doctor and Liz Shaw soon discover that whoever the silent astronauts are, they can’t possibly be human. What has happened to the original human spacemen? Who is behind a government conspiracy to cover up the UK’s first official alien contact? Why does someone want to provoke Earth’s first interplanetary war?

Jo...