Harley Cole FBI Suspense Thriller Books in Order

A body bearing venomous bites initially appears to be another casualty of the desert. FBI agent Harley Cole suspects a deliberate killing, and following the clues draws her into a contest with a murderer determined to remain ahead of her.

Bodies found in the Southwestern desert point Harley Cole toward an isolated commune and a killer with an unusual signature. As she investigates, secrets surrounding her hometown and missing sister threaten her ability to separate the current crimes from her own past.

A young woman's disappearance from a desert music festival sends Harley Cole through a succession of dead ends. A death after a nearby party may provide a connection, but pursuing the killer's pattern puts Harley herself in danger.

Suspended FBI agent Harley Cole returns home to visit her dying father, only to encounter murders in abandoned desert mines. Their resemblance to her sister's unsolved case forces her to accept a local investigation and confront the past she fled.

A body discovered during a teenage river excursion draws Harley Cole into a hunt across difficult terrain. While she races to stop a new killer, unresolved events from her own past threaten to overwhelm the investigation.

Victims discovered at the bottom of a Southwestern gorge leave Harley Cole struggling to understand why they were chosen. Connecting their lives with the remote crime scenes is her best chance of identifying the killer before another victim disappears.

A murder victim found in an abandoned nuclear silo brings Harley Cole to an isolated stretch of Southwestern desert. With another killing possible, she must uncover the reasoning behind the location and anticipate the murderer's next move.

A serial killer operating on both sides of the Mexican border draws Harley Cole into an international manhunt. As she examines the crimes, she suspects a deeper motive and must identify it before the murderer strikes again.

As tornadoes tear through Oklahoma, murder victims are discovered among the wreckage. Harley Cole follows the possibility that a killer is using the storms as cover, putting herself in their path to stop the next attack.

A second death on a Texas oil rig draws Harley Cole into the hunt for a serial killer. The murderer's unusual signature offers a possible route to understanding the crimes, but following it may lead directly into a trap.

A body discovered where four states meet appears to carry a message about the killer's next attack. FBI agent Harley Cole must interpret the significance of the remote location before another crime turns the clue into a warning ignored.

Murders at archaeological excavations suggest an old grievance is driving a present-day killer. Harley Cole searches through cryptic clues and buried history to understand the motive before her investigation makes her the next target.

Wealthy adventurers disappear into luxurious Arizona outdoor retreats that conceal a serial killer's trap. Harley Cole investigates the people and promises behind the escapes, racing to identify the predator before another desert expedition ends in death.

Cowboys are murdered in scenes recreating famous Western films, drawing Harley Cole into New Mexico's rodeo world. She must identify the connections behind the staged deaths and anticipate the killer's next performance before another victim is chosen.

Murder victims displayed as disturbing artworks bring Harley Cole into the desert's creative communities. Investigating eccentric artists and remote landscapes, she searches for a killer who treats human lives as materials for an exhibition.

Murders on experimental farmland lead Harley Cole toward an environmental scandal and concealed industry interests. As evidence of corruption accumulates, she must find the connection between the victims before those protecting the secrets kill again.