Harrison Investigations — by Heather Graham

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  Haunted
  

  • Sep-2003
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  Book - 1
  

  WHEN DOES A GIFT BECOME A CURSE? Matt Stone doesn't believe in ghosts. But there are those who are convinced his home, a historic Virginia estate that dates back to the Revolutionary War, is haunted. Pressured to get at the truth about some strang...

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  Ghost Walk
  

  • Oct-2005
  • 

  Book - 2
  

  Nikki DuMonde's newest employee is standing at the end of her bed at four o'clock in the morning begging for help. It's a joke, right? Besides, as manager of a successful New Orleans haunted-tour company, Nikki doesn't scare easily. But in the light ...

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  The Vision
  

  • Jul-2006
  • 

  Book - 3
  

  The gift of sight comes at a dangerous price When Deep Down Salvage begins the hunt for the Josephine Marie, it seems like any other dive...until Genevieve Wallace sees the vision of a dead woman in the water, her vacant eyes boring into Geneviev...

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  The Dead Room
  

  • Apr-2007
  • 

  Book - 4
  

  A year ago, archaeologist Leslie MacIntyre barely survived the explosion that took the life of her fiance, Matt Connolly. In the long months since, sh's slowly come to terms not only with her loss but with her unsettling new ability to communicate wi...

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  The Seance
  

  • Oct-2007
  • 

  Book - 5
  

  A chill falls over Christina Hardy's housewarming party when talk turns to a recent murder that has all the hallmarks of the so-called 'Interstate Killer' murders from fifteen years before. To lighten the mood, the guests drag out an old Ouija board ...

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  The Death Dealer
  

  • Apr-2008
  • 

  Book - 6
  

  Genevieve O'Brien knows all about nightmares. She survived for two months as the prisoner of a deranged killer. Now a new menace is stalking the streets of New York. The media is buzzing about the Poe Killings, a string of homicides mirroring the ...

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  Unhallowed Ground
  

  • Oct-2009
  • 

  Book - 7
  

  A House Can Be Only As Evil As the People Who Lived There When Sarah McKinley is finally able to buy and restore the historic Florida mansion that she has always loved, she dismisses the horror stories of past residents vanishing and a long-dead hou...

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  Nightwalker
  

  • Apr-2009
  • 

  Book - 8
  

  Jessy Sparhawk has seen firsthand how gambling can ruin people's lives. But one night, desperate for money, she places the bet that will change her life forever. Just as she's collecting her winnings, a man stumbles through the crowd, a knife protrud...

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Series Premise

The core premise follows Adam Harrison and his team of investigators who specialize in paranormal phenomena—hauntings, unexplained deaths, restless spirits, and occult threats—while solving murders tied to historical or supernatural elements. Each story pairs a skilled investigator (or newcomer to the firm) with a partner drawn into the case, uncovering killers who exploit legends, curses, or ghostly presences. The investigations blend traditional detective work—interviews, evidence analysis, historical research—with encounters that blur the line between the living and the dead, as characters confront both human evil and otherworldly forces. Romance sparks amid the danger, with protagonists finding love, trust, and personal healing while protecting innocents and exposing hidden truths.

Harrison Investigations Series Reading Order

The series can be enjoyed in any order, as most novels feature self-contained mysteries with complete resolutions and different primary couples. Each book introduces fresh cases, locations, and romantic leads, making standalone reading straightforward. However, publication order is recommended for the fullest experience. Recurring characters from the Harrison Investigations agency appear across volumes, relationships evolve subtly, and callbacks to prior events or team dynamics add continuity. Sequential reading enhances appreciation of the growing ensemble, shared history, and the overarching sense of a dedicated group confronting the unknown.

Explanation of reading order types

Harrison Investigations Series Characters

Central to the series is Adam Harrison, the enigmatic founder of Harrison Investigations—a wealthy, compassionate widower with a personal stake in the paranormal after losing loved ones to unexplained forces. He assembles a team of gifted investigators who blend skepticism, psychic sensitivity, and investigative skill. Key recurring figures include Matt Stone, a grounded sheriff who collaborates with the team; Darcy Tremayne, a psychic medium whose visions prove invaluable; and various operatives like Ethan Oxford or Jedidiah "Jed" McCoy who feature prominently in multiple stories. Romantic leads shift per book—often a skeptical newcomer paired with a believer—while the core team provides continuity through friendship, banter, and backup. Supporting characters include local law enforcement, historians, family members, and the spirits themselves, who sometimes guide or warn.

Setting of the Harrison Investigations Series

Settings span contemporary America, often rooted in historic locations that pulse with ghostly echoes—haunted estates in Virginia, New Orleans’ French Quarter with its voodoo and antebellum secrets, New York’s shadowy streets and Poe-inspired lore, Florida’s misty swamps, Scottish castles, or Southern mansions where restless spirits linger. These atmospheric backdrops—creaking floors, fog-shrouded graveyards, candlelit rooms—heighten suspense and tie crimes to historical tragedies, making place as integral as plot.

Tone & Themes of the Harrison Investigations Series

The tone is atmospheric, suspenseful, and sensually charged, balancing chilling supernatural tension with heartfelt romance and occasional wry humor from character banter. Graham’s prose is vivid and immersive, rich with sensory details of eerie settings and emotional intensity, yet accessible and hopeful—dark threats meet light-hearted moments and hard-won happy endings. It’s empowering, focusing on courage, intuition, and partnership. Themes center on the intersection of past and present, redemption through love, the power of belief in the face of skepticism, confronting inner demons (literal and figurative), loyalty within a chosen family, and the idea that some truths transcend the grave.

In the end, the Harrison Investigations series enchants as a haunting celebration of love that bridges worlds, where shadows hold secrets and the heart holds the key to truth. Heather Graham crafts tales that thrill the senses and warm the soul, proving that even in the presence of the dead, life’s greatest mysteries—trust, forgiveness, connection—find their answers in the living. Readers close the pages breathless from danger yet uplifted by unbreakable bonds, eager to step once more into the eerie, beautiful unknown where Harrison’s team waits, ready to face whatever lingers beyond the veil.