by Michael G. Coney
publisher: Gollancz
publish date: June 1975
format: hardcover pages: 221
language: English
ISBN:
0575019743 (9780575019744)
publisher: Pan Books publish date: April 14th 1978
format: mass market paperback pages: 192
language: English
ISBN:
0330252267 (9780330252263)
publisher: EDGE Science Fiction and Fantasy Publishing, Inc. publish date: January 14th 2003
format: paperback pages: 237
language: English
ISBN:
0888782934 (9780888782939)
publisher: DAW publish date: November 18th 1975
format: paperback
language: English
ISBN:
087997205X (9780879972059)
publisher: PS Publishing publish date: December 2007
format: hardcover pages: 192
language: English
ISBN:
1905834527 (9781905834525)