What is "darkover"

Darkover is the focus planet of the Darkover series of science fiction- fantasy novels and short stories by Marion Zimmer Bradley and others published since 1958. According to the novels, Darkover is the only human-habitable of seven planets orbiting a fictional red giant star called Cottman. The word "Darkover" is a registered trademark owned by the Marion Zimmer Bradley Literary Works Trust.

Darkover is an upcoming science fiction- fantasy television series based on Marion Zimmer Bradley's book series of the same name. First announced in 2012, it is to be produced by Ilene Kahn Power and Elizabeth Stanley.