H. K. Christie

This Christmas, the season of joy turns into a terrifying game of revenge. A man dressed as Santa is found murdered and shoved up a chimney—a meticulously staged scene straight out of a nightmare. Days later, another murder staged like a twisted Christmas display is discovered.

Zoey Monroe planned to surprise her mother, PI Martina Monroe, with one final Friday movie night before her wedding—a cherished tradition since childhood. But after landing in the Bay Area, Zoey vanishes without a trace. Her phone goes dark. And Zoey is gone.

She glances in the rearview mirror as the stranger walks towards her broken-down car. The wicked look on his face sends a chill up her spine and she knows he’s not here to help. She doesn’t have time to scream before she falls to the ground, and the darkening sky goes black.

Ten years earlier, two teenage girls were found murdered by what appeared to be a satanic sacrifice. The case had dominated the news headlines for months before the original investigators failed to arrest the perpetrators of the crime—despite multiple suspects....

In the thick of the current cold case investigation, PI Martina Monroe receives a hand-written letter from a desperate mother pleading for Martina and Hirsch to reopen the cold case of the woman’s missing daughter and five-year-old grandson....

Back from break, PI Martina Monroe clears the air with her boss at Drakos Security & Investigations and is ready to jump right into solving cold cases for the CoCo County Sheriff’s Department....

PI Martina Monroe has found her groove working cold cases alongside Detective Hirsch at the CoCo County Sheriff’s Department. With a growing team of cold case detectives, Martina and Hirsch are on the heels of bringing justice for Julie DeSoto....

She’s on her last chance. When the bodies start piling up, she’ll need to save more than her job. Martina Monroe is a single bad day away from losing it all....

Private Investigator Martina Monroe has no room for grief. Nearly a year after she failed to prevent her husband’s death, a battered woman depends on her for safety....

Six weeks ago, Jess was picking up the shattered pieces of a bitter divorce, just trying to numb the sting of betrayal. Now she’s standing over a dead body, the gun still warm in her trembling hands wondering how it all went so wrong.

Five years ago, she tried to kill the man who abducted her sister. Now she’s living next door to a psychopath hiding in plain sight.

A haunted past. A thirty-five-year-old mystery. Can Martina uncover the truth in time to find a missing woman and keep herself from falling victim to the city’s darkest elements?

Five years on from the adrenaline-fueled days of the Cold Case Squad, PI Martina Monroe is now a managing partner at the renowned, Drakos Monroe Security & Investigations. She spends her days running the firm—a safe desk job—allowing her to spend more time with her sixteen-year-old daughter.

PI Martina and Detective Hirsch accept the new sheriff’s request to reopen a ten-year-old serial killer case. Not that they could refuse. One victim was the sheriff’s brother, a married father of two.

In Echoes of Her, the 12th installment of the Martina Monroe series, a maze of family secrets and shocking revelations unravel. By the time Kay was six, she had lost both her mother and sister.

Two days ago, FBI Agent Val Costa came face to face with a serial killer known as the Bear. One of only two women ever to survive, she's forever branded with his signature: a curling “S” carved into her skin. Val knows it’s only a matter of time before he takes another victim.

Detective Leslie, once a key figure in the Cold Case Squad, is convinced she’s closed the case on Darren, Martina’s brother, for a cold-blooded murder. But Martina, shaken by her brother’s guilty plea and an anonymous tip claiming his innocence, starts questioning the conviction.

When beloved local teacher and devoted mother, Claire Nelson, is discovered murdered in her kitchen, stab wounds covering her delicate pale skin, FBI Special Agent Val Costa is drawn out of retirement. Claire’s two children are in pieces, and Val won’t rest until they have the justice they deserve.

A young woman clinging on to life. A desperate family fighting for answers. Will Selena be able to discover the truth in time to save her? Selena Bailey returns with her Private Investigator license in one hand and the first official case for Bailey Investigations in the other.

When a woman is discovered beaten and bloodied in a park, with no ID, no memory, and no past she can recall, Martina and her team at Drakos Monroe Security & Investigations are called in to uncover the truth. But from the start, this case defies all logic.