The version published here is a novella which has been revised and expanded from the 2008 F&SF novelette.
- "Published in March 2009 by PS Publishing Ltd." and "First PS Edition" stated on the copyright page.
- "Revised, expanded version from its appearance in The Magazine of Fantasy and Science Fiction, January 2008." stated on the copyright page.
- An estimated word count of 19000 makes this a novella according to ISFDB standards.
- "Cover Art / Copyright © 2009 by Ben Baldwin" stated on the copyright page.
- The ISBN-13s of both the jacketed hardcover and this trade hardcover edition are stated on the copyright page, and printed on the back cover along with the price for each edition.
- Issued without dustjacket, with the wraparound artwork adhered directly to the boards.
