John Decker Books in Order

Detective John Decker investigates a billionaire's brutal murder with no obvious motive or theft. An Egyptologist's letter leads them toward an ancient statue and a fanatical cult determined to bring its god back into the world.

Returning to Louisiana as a small-town sheriff, John Decker hopes for peace after years in New York. Mutilated bodies and an approaching storm instead force him to confront a killer connected to his family's tragic history.

Grisly deaths in a remote Alaskan settlement revive fears of a creature from local legend. John Decker investigates an abandoned military laboratory beneath the town, where intruders may have released something more terrifying than superstition.

Dead divers and an inexplicable underwater sighting draw John Decker into Florida's wilderness. Helping an old friend track a deadly threat, he also encounters desperate bank robbers, with the woman he loves caught in the danger.

John Decker travels to Ireland to retrieve remains believed to belong to Grendel, whose bones might transform medicine. Beneath a ruined monastery, an archaeological excavation exposes secrets that threaten the village entrusted with guarding them.

A sealed Victorian room reveals what appears to be Jack the Ripper's lair, but its corpse soon disappears. John Decker and Colum O'Shea investigate renewed murders across London before an impossible killer can escape for good.

Marine archaeologists discover an unusually preserved German submarine off South America and establish an underwater research station nearby. When their distress call reaches CUSP, John Decker descends to confront a surviving horror from the war.

A television crew vanishes after discovering ancient ruins deep in the Amazon. John Decker joins an international rescue expedition, only to become trapped in a forgotten landscape where archaeological mysteries conceal threats that should no longer exist.

Plans to turn a Nevada ghost town into a tourist attraction unravel when surveyors die inside its mine. John Decker investigates a survivor's account of a red-eyed creature and corpses that never tried to escape.

Stranded in 1911, John Decker accepts an invitation to spend Christmas at an English manor. A party séance and a missing child pull him into a mystery involving an old injustice and a restless spirit.

Searching for Mina in London in 1911, John Decker encounters the organization that preceded CUSP. His new allies send him to a village where a forgotten workhouse and a murderous supernatural force threaten the inhabitants.

John Decker follows a lead to the missing Mina aboard the Titanic, intending to leave before its fatal voyage. Her abductors, an ancient mummy and an old enemy complicate his plan to rescue her in time.

Trapped in New York in 1912, John Decker and Mina investigate murders marked by inhuman footprints. Their hopes of returning home depend on protecting a man who may become the mysterious creature's next victim.

A hidden letter suggests Charles Dickens experienced the supernatural events behind his famous Christmas story. Following its clues to Boston, John Decker enters an impossible house where confronting his own past may be his only escape.

A frantic call brings John Decker back to the Louisiana hometown he swore to leave behind. An enemy believed defeated is killing residents again, forcing him to protect old friends while questioning what has really returned.

A Spanish galleon emerges from the Sonoran Desert carrying an artifact stolen from an Aztec city. Its portal promises extraordinary wealth, but John Decker must confront the ancient threat waiting on the other side.