by Clark Darlton, Kurt Mahr, Wendayne Ackerman
publisher: Futura publish date: 1974
format: paperback pages: 187
language: English
ISBN:
0860078051 (9780860078050)
publisher: Ace Books publish date: 1972
format: paperback pages: 187
language: English
ISBN:
0441659969 (9780441659968)