publisher: HarperCollins publish date: February 28th 1977
format: hardcover pages: 272
language: English
ISBN:
0060125640 (9780060125646)
publisher: Bantam publish date: August 1978
format: mass market paperback pages: 197
language: English
ISBN:
0553117424 (9780553117424)
language: English
ISBN:
0552107905 (9780552107907)
format: hardcover
language: English
ISBN:
0575021519 (9780575021518)