Shadow Twin

From Author Wars - https://authorwars.com/publications/shadow-twin-69946.html

Overview:

Title: Shadow Twin
Author: George R. R. Martin, Gardner Dozois, Daniel Abraham
Year: 2005
ISBN-10: 1596060298
Publisher: Subterranean Press
Price: $40.00
Pages: 114
Binding: Hardcover
Type: Chapter Book
Title Reference: Shadow Twin
Notes: This is a signed, limited edition of 500. "'Shadow Twin' first appeared on Scifiction.com" (OCLC. from cpyrt page)