by Kenneth Bulmer
publisher: ACE SF
publish date: July 1st 1972
format: mass market paperback pages: 173
language: English
ISBN:
0441734383 (9780441734382)
publisher: Severn House Publishers publish date: August 1978
format: hardcover pages: 173
language: English
ISBN:
0727803573 (9780727803573)
publisher: Gateway publish date: September 29th 2011
format: ebook
language: English
ISBN:
0575122226 (9780575122222)