A secret government unit is formed under the oversight of Adam Harrison, famed paranormal investigator. The case: In a historic mansion in New Orleans’ French Quarter, a senator’s wife falls to her death from a balcony. Most think she jumped, distraught over the loss of her young son. Some say she was pushed. And yet others believe she was beckoned by the ghostly spirits that inhabit the house - once the site of a serial killer’s grisly work.

Four bodies have been discovered along Europe’s riverbanks, placed with care—and completely drained of blood. Pinpricks on their throats indicate a slender murder weapon, but DNA found in the wounds suggests something far more sinister. Tasked with investigating, the FBI recruits Agents Della Hamilton and Mason Carter to Blackbird, an international offshoot of the Krewe of Hunters. If you want to catch a vampire killer, you need agents who can speak with the dead.

Aidan Flynn, a private investigator and eldest of the Flynn brothers, scoffs at the haunted-house rumors - especially since Kendall Montgomery, a tarot card reader who has been living in the mansion, is the one to tell him the tale of a woman in white. But when he finds a human bone on the grounds and another by the river, Aidan delves into the dark history of the Flynn plantation.

There are those who walk among us who are no longer alive, but not yet crossed over. They seek retribution…vengeance…to warn. Among the living, few intuit their presence. Katie MacDonald is one who can. As she’s drawn deeper and deeper into a gruesome years-old murder, whispered warnings from a spectral friend become more and more insistent. But Katie must uncover the truth: could David Beckett really be guilty of his fiancée’s murder?

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 housekeeper who practiced black magic. Then, in the midst of renovations, she makes a grim discovery. Hidden within the walls of Sarah's dream house are the remains of dozens of bodies - some dating back over a century.

It's a pub in lower Manhattan, run by the Finnegan family for generations and now owned by Kieran and her three brothers. Kieran Finnegan, who still works there whenever she can, has become a criminal psychologist - a fitting reaction, perhaps, to her less-than-lawful past. Meanwhile, New York's Diamond District has been hit by a rash of thefts. No one's been killed - until now.

When two hikers go missing within a series of daunting caves outside of Denver, Colorado, FDLE special agent Amy Larson and her partner, FBI special agent Hunter Forrest, have good reason to suspect foul play. The pair of hikers are only the latest to vanish after a rash of disappearances that’s left local law enforcement stumped. But in searching the dank caverns near the Arkansas River, the agents aren’t prepared for the horror they uncover: a muddy pit littered with corpses. Covered in bite marks. Made by human teeth.

A ritualistic murder on the side of a remote road brings in the Florida state police. Special Agent Amy Larson has never seen worse, and there are indications that this killing could be just the beginning. The crime draws the attention of the FBI in the form of Special Agent Hunter Forrest, a man with insider knowledge of how violent cults operate, and a man who might never be able to escape his own past.

New Keeper Rhiannon Gryffald has her peacekeeping duties cut out for her - because in Hollywood it's hard to tell the actors from the werewolves, bloodsuckers, and shape-shifters. Then Rhiannon hears about a string of murders that bear all the hallmarks of a vampire serial killer, and she must confront her greatest challenge yet. Together with Elven detective Brodie McKay, she heads to Laurel Canyon, the epicenter of the danger, where they uncover a plot that may forever alter the face of human-paranormal relations….

There's nothing Jasper Maxwell likes better than a good chase. He is patient and cunning, and he is known as one of the coldest hunters in the immortal realm. As a vampire with a hint of demon blood in him, he stands out even amongst the finest trackers in the shifter world. So the fact that his mate has managed to escape him for the past five decades is something that keeps him intrigued and more obsessed with every passing year. The game is beyond delicious until a century-old enemy resurfaces, putting his sweet little mate in danger. At that point, he has no choice but to secure her.

New York Times best-selling author Heather Graham brings her unique brand of suspense to Harlequin Intrigue with two thrilling stories of love and danger in one book! Tangled Threat: A body hanging from the infamous History Tree had unraveled their teenage love. Now, 12 years later, Maura Antrim is again tangled up with Brock McGovern. Suspicious: Big-city lawyer Lorena Fortier’s suspicions about her father’s death have brought her to a small town nestled in the Everglades. But when a killer claims more victims, Lorena knows she’s in over her head.

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 protruding from his back, and crashes into her, pinning her to the craps table.

This collection includes Law and Disorder, Shadows in the Night, Out of the Darkness, and Undercover Connection.

Chloe Marin was lucky. She was just a teenager when a party at a Florida beachside mansion turned into a savage killing spree and she was one of the few to survive. Bloody handwriting on the walls pointed to a cult whose rituals included human sacrifice. Chloe’s sketch of one of the killers linked two dead cult members found in the Everglades to the massacre, closing the case as far as the cops are concerned.

After an easy day studying coral in the Bahamian ocean, Amanda Blayne returns to shore looking forward to a cool drink and a lazy afternoon. But the tranquil waters turn dark and treacherous when Amanda is ruthlessly abducted in broad daylight. Sean Ramiro, an undercover cop from Miami, is tasked to covertly observe the safe arrival of the senator. Instead, he witnesses Amanda's abduction and immediately throws himself into danger, pretending to be Amanda's lover to try to protect her. The two are playing a perilous game, but find it easy to play along when irresistible tension builds.