In a historical mystery, a serial killer is on the loose in Jazz Age Philadelphia.

Special Agent Patrick Bowers had only met one man who made him truly afraid. Until now. When he's called to North Carolina to consult on the case of an area serial killer, he finds himself in a deadly game. Cunning and lethal, the killer is always one step ahead of the law, and he's about to strike again. It will take all of Bowers's instincts and training to stop this man who calls himself the Illusionist. And just when the pieces start to come together,...

"Dectectives Bentz and Montoya are seeking a serial killer. His victims are always twins. He strikes on the cusp their twenty-first birthday, their ritualistic murders planned in exquisite detail, down to the moment when they breathe their last together"--

In 1918 New Orleans, seventeen-year-old Gianna Crutti's worries about her family's grocery, the Great War, and influenza are overshadowed when a murderer returns to terrorize the city--years after he attacked Gianna's parents and left her with a psychic connection between them.

Newly arrived in 1892 New England, Abigail Rook becomes assistant to R.F. Jackaby, an investigator of the unexplained with the ability to see supernatural beings, and she helps him delve into a case of serial murder which, Jackaby is convinced, is due toa nonhuman creature.

When the body of young novice Sister Camille is found garroted in St. Marguerite's cathedral, New Orleans Detectives Bentz and Montoya are called in. Bentz is sure Father O'Toole is their man. But there are other suspects, too, including a ruthless murderer believed to have died years ago.

After escaping the clutches of serial killer Brian Howley, Detective Sergeant Etta Fitroy must follow his grisly clues to finally bring him to justice. However, his endgame has a terrifying twist, one that will not only change Brian's fate but the fate of everyone that Etta loves.

Shocked by the murder of a young Navajo woman, Navajo Police Special Investigator Ella Clah calls in FBI Agent Dwayne Blalock for help, but she soon realizes that the murderer may have a link to her own past and to her father, murdered a decade earlier.

When "the Samaritan," a sadistic serial killer who preys on lone female drivers whose cars have broken down, leaves behind a new victim in the Santa Monica Mountains, LAPD Detective Jessica Allen must find a way to stop him with the help of skilled manhunter Carter Blake.

Spring 1981. Northern Ireland. Belfast on the verge of outright civil war. The Thatcher government has flooded the area with soldiers, but nightly there are riots, bombings, and sectarian attacks. In the midst of the chaos, Sean Duffy, a young, witty, Catholic detective in the almost entirely Protestant Royal Ulster Constabulary, is trying to track down a serial killer who is targeting gay men.