Carol O'Connell Books in Order

In this brief nonfiction profile, O'Connell steps back from the novels to describe how Mallory was created, what drives her, and why a near-sociopathic hacker detective can still hold readers' sympathy across so many brutal investigations.

When a blind boy and a nun vanish from a Manhattan sidewalk and four mutilated bodies are dumped on the mayor's lawn, Kathy Mallory hunts a killer hiding behind politics and spin while racing to keep the child alive.

During a Broadway play about a long-ago massacre, audience members and the playwright start dying in the front row. Mallory digs through backstage feuds, ghostwritten script pages, and buried crimes before opening night turns into her own final scene.

An eight-year-old girl appears alone in Central Park, blood on her shoulders and a story about an uncle who turned into a tree. As Mallory traces the truth, she uncovers linked murders, corruption, and a child who mirrors her damage.

Two teenage brothers vanish into the woods, but only Oren Hobbs comes home. Twenty years later, his missing brother's bones begin appearing on the family porch, drawing Oren back to his California hometown and a tangle of grudges, lies, and buried bodies.

Along Route 66, a caravan of parents follows news of children's graves uncovered beside the highway. Mallory drives with them, chasing a serial killer the locals call Mack the Knife while secretly hunting the missing pieces of her own childhood.

A supposed burglar is stabbed with an ice pick inside a Manhattan mansion, only for Mallory to discover he was a hired killer and the homeowner a legendary missing child. Untangling the Winter family's history means confronting greed, abandonment, and a massacre long ago.

After a notorious defendant walks free, jurors from the trial start dying one by one. While a provocative radio host whips up public rage, Mallory tracks a killer called the Reaper and crosses paths with elusive crime-scene cleaner Johanna Apollo.

A call girl is found hanging in her burning apartment, posed exactly like an unsolved murder from Mallory's childhood. The victim is Sparrow, the street woman who once protected and betrayed her, and reopening the case forces Mallory toward a relentless serial killer.

A live television magic special ends in apparent disaster when a classic escape trick turns lethal. Mallory suspects murder, not mishap, and follows a trail through rival illusionists, old cons, and a decades-old death hidden beneath layers of misdirection.

In a small Hudson Valley town, two girls vanish from an elite academy just before Christmas, echoing a fifteen-year-old abduction that destroyed Rouge Kendall's family. Now a weary young cop, Rouge joins profiler Ali Cray to find the new victims in time.

Seventeen years after watching her mother die in a mob killing, Mallory returns to the Louisiana town she once fled. Her arrival triggers fresh violence as she forces Dayborn's citizens to face old crimes, buried bodies, and the truth about Dr. Cass Shelley.

When a body is found in the park wearing Mallory's blazer and sharing her look, colleagues fear she is dead. Instead, Mallory takes the case, juggling three suspects in one building, a missing computer file, and a cat that may have seen the killer.

Artist Dean Starr is slaughtered in the middle of a gallery opening, his death staged as shocking performance art. Mallory and Riker link the crime to a twelve-year-old double murder and dive into New York's cutthroat art world and her own unsettled past.

After her foster father Louis Markowitz is murdered while hunting a Gramercy Park serial killer, Mallory follows his scattered clues on her own. The case drags her through séances, stock scams, and high society as she tests how far vengeance will take her.