publisher: Wiley publish date: June 15th 1989
format: paperback pages: 304
language: English
ISBN:
0020103514 (9780020103516)
publisher: Atheneum Books publish date: November 1st 1986
format: hardcover pages: 275
language: English
ISBN:
068911592X (9780689115929)
language: English
ISBN:
033343496X (9780333434963)