| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Investigator's Companion: A Core Game Book for Players | 978-1-56882-28O-8 (1-56882-28O-4) | 2007 | Keith Herber · John Crowe · Jr. · Justin Hynes · Andrew Leman · Paul McConnell · Anne Merritt |