ISBN: 088708026X
ISBN13: 9780887080265
Binding: Hardcover
List Price: $19.95
Publisher: Simon and Schuster
Published Date: 03/01/1986

ISBN: 1439133530
ISBN13: 9781439133538
Binding: Paperback
List Price: $14.99
Publisher: Baen Books
Published Date: 05/04/2010