Books like Devoted by Dean Koontz

When a murderous sociopath stalks her friends in Napa Valley, former survivor Chyna Shepherd must guard herself and an innocent stranger, risking life and sanity to confront the deadly intensity of Edgler Vess.

Ordinary bank teller Timothy Carrier becomes embroiled in a lethal game of mistaken identity after a stranger hands him a ransom envelope, forcing him to outwit a hitman who thinks he’s the contract killer.

Landscape gardener Mitch Rafferty has only sixty hours to rescue his kidnapped wife, facing a ruthless ransom demand and a deadly confrontation that turns his suburban life into a relentless thriller.

In the secluded town of Snowfield, California, a shocking mystery unfolds after 150 people are found dead with grotesque injuries, sparking a chilling investigation into a mass murder that blurs the line between good and evil.

In the coastal town of Moonlight Cove, a series of mysterious deaths draws together a determined survivor, an undercover federal agent, a runaway child, and a wheelchair-bound veteran as they confront a dark secret.

With a rare gene that renders him hypersensitive to light, Christopher Snow navigates the shadows of Moon Bay, California, until a series of sinister events forces him to confront danger and the town’s hidden truths.

A bolt of lightning brings a blond-headed stranger into Laura Shane’s life, prompting her to question whether he’s a guardian angel or a devil in disguise.

In Dean Koontz’s thriller "Watchers," a genetically engineered dog gains human intelligence, stirring a deadly conflict when it escapes, endangering those who cared for it and unleashing a state‑level secret.

When Colorado carpenter Grady Adams encounters two mysterious, beautiful creatures in his woods, he and his veterinarian friend Cammy Rivers must uncover the truth before the Department of Homeland Security intervenes, risking everything to protect the innocent animals.

Roman fantastique. Roman policier (suspense).

A journalist investigates a man who performs miraculous rescues.

Bestselling author Cubby Greenwich faces a cruel review from the enigmatic critic Shearman Waxx, leading him into a deadly confrontation with a ruthless sociopath who threatens more than his life.

"I very much need to be dead." These are the chilling last words left by a man who had everything to live for but took his own life. In the void that remains stands his widow, FBI agent Jane Hawk, surrounded by questions destined to go unanswered unless she does what all the grief and fury inside her demand: Find the truth, no matter what. People of talent and accomplishment, people seemingly happy and sound of mind, have recently been committing suicide in surprising numbers. A disturbing pattern is beginning to emerge. Jane is determined to give up everything to find out why. And if that means going rogue and becoming America's Most Wanted, then so be it. Those arrayed against her are legion, and devoted to protecting something profoundly important-or terrifying-enough to exterminate any and all in their way. But Jane is as clever as these enemies are cold-blooded, as relentless as they are ruthless. And she is driven by a righteous rage they can never comprehend. Because it is born of love.

Dean Koontz, a prolific American author, known for his unique cross-genre style and his personal struggle with mental illness and his father, is celebrated for blending suspense with literary elements.

A snowbound young widow faces genetically engineered rats that seek her destruction. Armed with a shotgun, she must wage a desperate one‑woman battle against these mutant creatures in her farmhouse.