publisher: Richard Marek Publishers publish date: June 1st 1978
format: hardcover pages: 383
language: English
ISBN:
0399900071 (9780399900075)
publisher: Sphere publish date: January 1st 1980
pages: 349
language: English
ISBN:
0722149476 (9780722149478)
publisher: Berkley publish date: December 28th 1980
format: mass market paperback
language: English
ISBN:
0425045560 (9780425045565)