| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 2000 |
|
Callahan's Key | Bantam Spectra | Novel | |
| May 2001 |
|
Callahan's Key | Bantam Spectra | Novel | |
| September 2003 |
|
Callahan's Key | Blackstone Publishing | Novel | |
| September 2003 |
|
Callahan's Key | Blackstone Audiobooks | Novel | |
| January 2004 |
|
Callahan's Key | Blackstone Audio | Novel | |
| September 2013 |
|
Callahan's Key | Blackstone Audiobooks | Novel |