Nightflyers is the title of a 1980 novella by George R. R. Martin, a 1985 short story collection by the same author that includes the novella, and a 1987 science fiction-horror film based on that novella.
The collection is the fifth by Martin and was first published in December 1985. It contains the following stories and novellas:
Nightflyers "Override" "Weekend in a War Zone" "And Seven Times Never Kill Man" "Nor the Many-Colored Fires of a Star Ring" A Song for Lya