Marissa Farrar (MK Farrar) Books in Order

Newly qualified child psychologist Amy Penrose recognizes the signs of abuse in a young boy brought to her office. The more she tries to help, the more danger starts to press into her own life.

Natalie Anders thinks she is finally building a new life, until the charming man she falls for starts chipping away at her confidence and freedom. This psychological thriller turns a romance into a trap.

After losing her mother, Grace grabs the chance to join a hiking holiday far from London. Surrounded by strangers in the wild, she starts to wonder which of them can really be trusted.

A serial killer is strangling young women and arranging their bodies like works of art. Erica Swift knows the pattern is terrifying, especially when the victims resemble her.

When a case turns toward the most vulnerable victims, Erica Swift is forced into a hunt where every hour matters. The title tells you plenty about how dark this one gets.

Victims are abducted in London and found blind, with their eyes taken. DI Erica Swift hunts the killer while a horrific piece of her own past crashes back into view.

A student wakes in university halls beside blood with no memory of what happened. Erica Swift steps into a brutal campus murder where somebody is still hiding the truth.

Ryan Chase and his team are pushed into another dark Bristol investigation where the trail refuses to go cold. The case hits hard while his personal life is still fraying.

When a dismembered leg is pulled from the River Avon, DI Ryan Chase is forced into a brutal investigation. He is already carrying grief, and the case does not go easy on him.

A short early Ryan Chase story that throws him into a fast, high-pressure case before the main series fully gets going. It works well as a quick introduction to his world.

A burning body on an East London canal path opens a case tangled up with politics, desperation, and more death. Erica Swift is pushed into one of her hardest investigations yet.

A young woman's body is found in an East London park with symbols drawn on her skin and no obvious injuries. Erica Swift faces a case that is stranger than it first looks.

A copycat killer starts recreating old murders across London. To stop them, Erica may have to listen to the prisoner who murdered her husband and claims to know more.

This shorter prequel novella adds background to Erica Swift's world and the lies that shaped it. It works best as an extra piece once you know the series tone.

A case tied to the dead drags Ryan toward secrets that should have stayed buried. The series keeps its procedural drive but gives this one a colder, older shadow.

A young man is found with his abdomen cut open and his organs removed, and that first death is only the beginning. Ryan Chase has to follow a horrifying chain of murders.

Loyalty and obsession sit at the center of this Erica Swift case. As usual, the danger comes not only from violence, but from what people will do for the beliefs they cling to.

An investigation linked to an abandoned child leads Erica Swift into another knot of buried truth. The title points to a case where identity and history matter just as much as the murder.

A long-buried body in wasteland pulls Erica into an old secret that people are still willing to kill for. The dead may be silent, but someone out there remembers everything.

Ryan Chase faces a quieter but no less dangerous investigation, where what people refuse to say matters as much as what the crime scene shows. The tension here is steady and close.