Ghost Hunter Mystery
1. What's a Ghoul to Do? (2007)
2. Demons Are a Ghoul's Best Friend (2008)
3. Ghouls Just Haunt to Have Fun (2009)
4. Ghouls Gone Wild (2010)
5. Ghouls, Ghouls, Ghouls (2010)
6. Ghoul Interrupted (2011)
7. What a Ghoul Wants (2012)
8. The Ghoul Next Door (2014)
9. No Ghouls Allowed (2015)
10. A Ghoul's Guide to Love and Murder (2016)
2. Demons Are a Ghoul's Best Friend (2008)
3. Ghouls Just Haunt to Have Fun (2009)
4. Ghouls Gone Wild (2010)
5. Ghouls, Ghouls, Ghouls (2010)
6. Ghoul Interrupted (2011)
7. What a Ghoul Wants (2012)
8. The Ghoul Next Door (2014)
9. No Ghouls Allowed (2015)
10. A Ghoul's Guide to Love and Murder (2016)