publisher: Ace
publish date: November 1st 1987
format: mass market paperback pages: 273
language: English
ISBN:
0441805973 (9780441805976)
publisher: Tor Books publish date: December 1st 1987
format: paperback pages: 320
language: English
ISBN:
0812530438 (9780812530438)
publisher: Warner Books (NY)
publish date: November 1st 1986
format: paperback
language: English
ISBN:
0445203005 (9780445203006)