| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Arkham Now: Revisiting the Legend-Haunted City | 978-1-56882-321-8 (1-56882-321-5) | 2010 | Matt Sanborn |
| Terrors From Beyond: Nightmares Unraveled in Six Scenarios | 978-1-56882-287-7 (1-56882-287-1) | 2009 | Gary Sumpter · John Almack · Glyn White · Brian Sammons · David Conyers |