by
Joanna Russ (author),
R.A. Lafferty (author),
Barry N. Malzberg (author),
George Alec Effinger (author),
Ron Goulart (author),
Edward Bryant (author),
Edgar Pangborn (author),
Terry Carr (author),
Gordon Eklund (author),
Gerard F. Conway (author),
Gregory Benford (author),
Wilson Tucker (author),
Robert Silverberg (author)
publisher: Ace
publish date: March 29th 1971
format: paperback pages: 250
language: English
ISBN:
0441846009 (9780441846009)
publisher: Dobson Books Ltd publish date: May 1st 1975
language: English
ISBN:
023477228X (9780234772287)