| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 2003 |
|
The Cambridge Companion to Science Fiction | Cambridge University Press | Nonfiction | 15 |
| October 2006 |
|
The Cambridge Companion to Science Fiction | Cambridge University Press | Nonfiction | 15 |
| March 2009 | Gothic Grotesques: Essays on Fantastic Literature | Borgo Press / Wildside Press | Nonfiction | 138 |