publisher: Baen
publish date: January 1st 1991
format: mass market paperback pages: 368
language: English
ISBN:
0671720376 (9780671720377)
publisher: Baen Publishing Enterprises publish date: November 1998
format: mass market paperback pages: 328
language: English
ISBN:
5555875568 (9785555875563)
language: English
ISBN:
1555940838 (9781555940836)