publisher: Ace publish date: December 1st 1981
format: paperback pages: 224
language: English
ISBN:
044114246X (9780441142460)
publisher: Ace Books publish date: 1979
format: mass market paperback pages: 214
language: English
ISBN:
0441142443 (9780441142446)
language: English
ISBN:
0860078175 (9780860078173)