The novel “Double Star” by Robert A. Heinlein was published for the first time in 1956, first in the magazine “Astounding Science Fiction” and shortly after as a book. In 1957 it received the Hugo Award as the best novel of the year.

The novel “Footsteps of Angels” by E.C. Tubb was published for the first time in 2003. People who have nothing in common start falling into a coma-like state. While doctors around the solar system seem completely impotent, Max Feynman, the father of a girl in that condition, is willing to spend any sum to find a way to bring his daughter back to normality.

The novel “C.O.D. – Mars” by E.C. Tubb was published for the first time in 1968. In 2007 it was published with the title “Fear of Strangers”.

A spaceship comes back from an interstellar voyage but most of the crew members were killed by a kind of alien disease. The few survivors are also infected so the ship is put into quarantine.