Orbit 7: Original Science Fiction Stories by Damon Knight

Berkley Medallion, 1970. Mass market paperback. This was an acclaimed series of anthologies of original science fiction stories.

This one has an all-star line up: Kate Wilhelm, Gene Wolfe, R. A. Lafferty, Keith Laumer, Carol Emshwiller, Thomas M. Disch, Richard Hill, Sonya Dorman, James Sallis and Gardner Dozois.