Books like The Good Guy by Dean Koontz

Odd Thomas and his soulmate Stormy Llewellyn, together with a ragtag group of allies, navigate a dark desert landscape where past and present collide. As murderers and supernatural forces emerge, they race to stop a looming cataclysm.

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.

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.

The final chapter of the Bill Hodges and Holly Gibney mystery series sees the Mercedes killer Brady Hartsfield return to the grid, forcing the detectives to confront his new‑age, suicidal clientele.

Odd Thomas, a medium who sees the dead, seeks peace at St. Bartholomew's Abbey, only to confront a new, ancient adversary that threatens the sanctuary and all its inhabitants.

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.

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.

Two isolated individuals flee a clandestine, illegal agency with a secret fascist agenda, chased by a ruthless operative who wields full governmental power.

In Las Vegas, a corrupt restaurant owner lures young women into a deadly business, while Los Angeles detective Jack Morgan follows leads that bring him into the city of sin and a murder-for-hire ring.

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.

An ordinary snapshot leads to a suburban mother's unraveling world as she tries to shield her children from her husband who has been found dead with a family photograph in his possession, and the revelation of a ruthless killer who will stop at nothing to find Jack and the photo.

Former undercover cop Elena Estes, now a horse trainer on the fringes of Palm Beach society, must unravel a murder that ties her back to her past, the Russian mob, and a powerful alibi network that could cost her life.

Trinity Nichols, a former high‑stress professional turned small‑town resident, teams up with Deacon James and FBI agents to unravel a series of mysterious murders in Sociable, Georgia, uncovering inexplicable forces and hidden agendas.

"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.

A gripping tale of revenge and danger, where a corrupt agent threatens to unleash hell on a small Florida town.

An Arizona ex‑sheriff, Brandon Walker, is drawn back into the law by a cold case of a murdered Papago girl. Haunted by past failures, he partners with former law‑enforcers to uncover a terror that blurs science and mysticism.

When a mysterious box reveals a lost Shakespearean clue, a scholar embarks on a transatlantic chase, uncovering a murderous treasure hunt that mirrors Hamlet’s tragedy.

When a business partner is framed for a murder, former cop Jack Till must locate the victim before her killers, the Turner twins, finish the job and outwit the shadowy employer.