Titles by J. R. Rain marked with tag: private investigators
- 2019 - Moon Master with Matthew S. Cox
- 2019 - Parallel Moon with Kris Carey
- 2018 - Blood Moon with Matthew S. Cox
- 2018 - Deep Silver with Matthew S. Cox
- 2018 - Samantha Moon Fatalis
- 2018 - Vampire Sire
- 2017 - Danny
- 2017 - Dinner
- 2017 - Flying
- 2017 - Midnight Moon
- 2017 - Moon Angel
- 2017 - Moon Extras: Samantha Moon Bonus Scenes
- 2017 - Silver Light with Matthew S. Cox
- 2017 - The Librarian
- 2016 - Moon Shadow
- 2016 - Vampire Fire
- 2015 - Moon Bayou with Rod Kierkegaard, Jr.
- 2014 - Samantha Moon Forever
- 2014 - Vampire for Hire: First Eight Short Stories
- 2013 - Dragon Assassin with Piers Anthony
- 2013 - Samantha Moon Rising
- 2012 - Moon Island
- 2012 - Samantha Moon
- 2012 - The Vampire in the Iron Mask
- 2012 - Vampire Dawn
- 2012 - Vampire Games
- 2011 - American Vampire
- 2011 - Christmas Moon
- 2011 - Moon Child
- 2011 - The Vampire Who Played Dead
- 2011 - Vampire Dreams
- 2010 - The Vampire with the Dragon Tattoo
- 2009 - Moon Dance
- 2009 - Teeth
- 2009 - Vampire for Hire
- 2009 - Vampire Moon