publisher: Dell publish date: 1979
pages: 512
language: English
ISBN:
0440174740 (9780440174745)
publisher: Books on Tape publish date: July 1st 1987
format: audiobook
language: English
ISBN:
0736611819 (9780736611817)
publisher: HarperCollins publish date: October 1st 1978
format: hardcover pages: 514
language: English
ISBN:
0877951721 (9780877951728)