When FBI special agent Luke Kendrick discovers chilling evidence of dozens of victims at a crime scene in London, he recognizes the calling card of the notorious H. H. Holmes Society. Named for the eighteenth-century monster regarded as America’s first serial killer, the society is comprised of a twisted web of killers, working to carry out heinous murders in Holmes’s memory. And now the group’s been linked to a Scottish castle turned B and B—where guests check in but never check out.

A legendary rock band’s reunion is just a ruse for FBI agent Chase McCoy’s investigation. Seven years ago, Skyhawk’s lead singer died under suspicious circumstances. Chase knows Sky Ferguson is fronting the band in her father’s honor for the same reason Chase has agreed to be the drummer. They want answers. But having to pose as a couple makes them question just how far they’ll go for the truth.

Deep in the Florida Everglades, the body of a woman is discovered in pieces, presumably ravaged by an alligator. Upon closer inspection, it’s determined no animal could make such perfectly precise cuts. Only a blade could do that. Wielded by a human. Soon, dozens of oil drums emerge amid the river of grass. Each one packed to the brim with body parts.

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.

K-9 search-and-rescue worker Bree Nicholls sets out in the untamed beauty of Michigan’s Upper Peninsula to unravel the secrets of an enchanting wilderness in the Rock Harbor Mysteries: Without a Trace, Beyond a Doubt, Into the Deep, and Cry in the Night—now available as a 4-in-1 audiobook.

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.

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.

The young man with the shock of white-blond hair lay spread-eagled on the floor, surrounded by fallen books. His hand reached out to the scattered pages, as though he was trying to tell her something. But who is he? How did he come to be killed in Flora’s ordinary little bookshop? Flora finds out he was staying at the Priory Hotel, and when the gardener suddenly dies in its beautiful grounds only a few days later, she is certain that something untoward is happening in her quiet village by the sea.

Much to their mutual annoyance, FBI agent Jacob Wolff and Miami detective Jasmine Adair discover they’re both undercover to bust a notorious organized crime group. But amid a glamorous South Beach nightclub opening, their key informant is found dead, leaving Jacob and Jasmine the dangerous job of infiltrating the ring. With desire igniting between them, can the two set aside their distrust and work together to bring down the brutal mobsters?

It was stolen from a New Orleans grave - the centuries-old bust of an evil man, a demonic man. It’s an object desired by collectors - and by those with wickedness in their hearts. One day, its current owner shows up at Danni Cafferty’s antiques shop on Royal Street, the shop she inherited from her father. But before Danni can buy the statue, it disappears, the owner is found dead…and Danni discovers that she’s inherited much more than she realized. In the store is a book filled with secret writing: instructions for defeating evil entities.

For months he’d thought of her as a mystery woman, draped in a black velvet cloak, with outrageous red curls, flawless skin, and carrying a large, odd case—but the night David Dodd saw a helicopter drop a chunk of metal through the roof of his lovely neighbor’s bedroom, he finally got to meet the formidable and delightful Katherine Finn. Rescuing damsels and fixing roofs was dangerous work, he told her, and at the very least he deserved a kiss—didn’t he?

December 1899. After the death of her beloved grandmother, Cleopatra Fox moves into the luxury hotel owned by her estranged uncle in the hopes of putting hardship and loneliness behind her. But the poisoning of a guest on Christmas eve throws her new life, and the hotel, into chaos. Cleo quickly realizes no one can be trusted, not Scotland Yard and especially not the hotel’s charming assistant manager.

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.

Kira Drake has come to Paris with her highly trained Golden Retriever, Mack, to investigate the horrific bombing of a museum in the shadow of the Eiffel Tower. What she doesn’t know is that one powerful man has a special reason to find the person responsible. Jack Harlan has all the money in the world, but it can’t bring his brother back. His sibling was murdered during the theft of a scientific discovery that could have made the world a better place. Now, after a four-year search, Harlan learns that this bombing was the work of the same twisted man.

When FBI special agent Luke Kendrick discovers chilling evidence of dozens of victims at a crime scene in London, he recognizes the calling card of the notorious H. H. Holmes Society. Named for the eighteenth-century monster regarded as America’s first serial killer, the society is comprised of a twisted web of killers, working to carry out heinous murders in Holmes’s memory. And now the group’s been linked to a Scottish castle turned B and B—where guests check in but never check out.

A legendary rock band’s reunion is just a ruse for FBI agent Chase McCoy’s investigation. Seven years ago, Skyhawk’s lead singer died under suspicious circumstances. Chase knows Sky Ferguson is fronting the band in her father’s honor for the same reason Chase has agreed to be the drummer. They want answers. But having to pose as a couple makes them question just how far they’ll go for the truth.

Fiona MacDonald and her sisters share the mission of maintaining peace in New Orlands, where vampires and shapeshifters hide in plain sight among mankind. As a vampire keeper, is Fiona’s duty to investigate the discovery of a body drained of blood, but this time she must join forces with Detective Jagger DeFarge, who is not only the cop in charge of the investigation but is also a vampire himself.

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.

Deep in the Florida Everglades, the body of a woman is discovered in pieces, presumably ravaged by an alligator. Upon closer inspection, it’s determined no animal could make such perfectly precise cuts. Only a blade could do that. Wielded by a human. Soon, dozens of oil drums emerge amid the river of grass. Each one packed to the brim with body parts.

This state-of-the-art smart home has everything: a next-generation entertainment system, an ultramodern kitchen where every appliance is online and even a personal AI to control it all. Standing above its owner's lifeless body, FBI agent Jude Mackenzie is faced with the daunting task of discovering how the woman was killed by her own home. How do you catch a murderer that doesn't leave any fingerprints?

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.

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 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.

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

Genevieve knows all about nightmares. She herself survived two months as a psychopath's prisoner. And now this new menace stalks the city. Spooked by the bizarre slayings, she turns to P.I. Joe Connolly, her past rescuer, friend and...hopefully something more, if he would just quit avoiding her. At first Joe isn't even sure there is a case. But the body count rises, and it's clear that a twisted killer is on the loose. Even more unsettling is the guidance he starts receiving from beyond the grave.

A body hanging from the infamous History Tree and a wrongful murder charge unraveled Maura Antrim and Brock McGovern's teenage love. Now grown up, Maura is again tangled up with Brock, and they’re back in Florida, where that devastating murder occurred. With two women missing and Brock now an FBI agent, the pair are determined to help investigate the new crimes and uncover the truth of what really happened twelve years ago…and see if their passion has withstood the test of time.

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.

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.

Much to their mutual annoyance, FBI agent Jacob Wolff and Miami detective Jasmine Adair discover they’re both undercover to bust a notorious organized crime group. But amid a glamorous South Beach nightclub opening, their key informant is found dead, leaving Jacob and Jasmine the dangerous job of infiltrating the ring. With desire igniting between them, can the two set aside their distrust and work together to bring down the brutal mobsters?