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.

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.

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.

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.

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.

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.

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?

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.

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.

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.

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?

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.

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.

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?

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.