| 1 |
Haunted
|
Heather Graham
|
2003 |
|
| 2 |
Ghost Walk
|
Heather Graham
|
2005 |
|
| 3 |
The Vision
|
Heather Graham
|
2006 |
|
| 4 |
The Dead Room
|
Heather Graham
|
2007 |
|
| 5 |
The Death Dealer
|
Heather Graham
|
2008 |
|
| 6 |
Unhallowed Ground
|
Heather Graham
|
2009 |
|
| 7 |
The Presence
|
Heather Graham
|
2004 |
|
| 8 |
The Séance
|
Heather Graham
|
2007 |
|
| 9 |
Nightwalker
|
Heather Graham
|
2009 |
|
|
Harrison Investigation Series: Volume 1
|
Heather Graham
|
2018 |
Omnibus
|
|
Harrison Investigation Series: Volume 2
|
Heather Graham
|
2019 |
Omnibus
|
|
Harrison Investigation Series: Volume 3
|
Heather Graham
|
2019 |
Omnibus
|