by
Milton A. Rothman (author),
Isaac Asimov (author),
Larry Niven (author),
Hal Clement (author),
Arthur C. Clarke (author),
A.J. Deutsch (author),
Don A. Stuart (author),
Robert A. Heinlein (author),
William Morrison (author),
H. Beam Piper (author),
John W. Campbell Jr. (author),
Stanley G. Weinbaum (author),
Jerome Bixby (author),
James Blish (author),
Lester del Rey (author),
Walter Tevis (author),
James Gunn (author)
publisher: Fawcett publish date: January 12th 1976
format: paperback pages: 384
language: English
ISBN:
0449228495 (9780449228494)
publisher: Doubleday (Garden City, NY) publish date: 1971
format: hardcover pages: 441
language: English
ISBN:
0385029357 (9780385029353)
publisher: Sphere publish date: 1974
format: paperback pages: 192
language: English
ISBN:
0722112513 (9780722112519)
publisher: Sphere Books (UK) publish date: September 12th 1974
format: paperback pages: 200
language: English
ISBN:
0722112467 (9780722112465)