Rock Wahlman / Reacher Experiment Books in Order

Retired Navy master-at-arms Rock Wahlman discovers he is a clone of Jack Reacher, created through a secret human experiment. When people determined to erase the evidence target him, he goes on the run while trying to uncover the truth.

A newly hired team of killers pursues Rock Wahlman, the surviving clone of Jack Reacher. As their campaign puts more civilians in danger, Rock must protect his girlfriend Kasey and her family while resisting the forces hunting him.

Still fleeing those who want to erase the cloning experiment that created him, Rock Wahlman travels west and encounters a waitress named Kasey. A new assassin tracks him as their developing relationship and his temporary stops create fresh vulnerabilities.

Rock Wahlman's pursuers threaten Kasey, the waitress who knows his true origin as a Reacher clone. Her daughter also faces danger, leaving Rock struggling to keep them safe while a covert military operation continues sending killers after him.

Stopping to repair his SUV, Rock Wahlman interferes with a robbery and earns the thieves' hostility. Meanwhile, a private investigator pressures Kasey to betray him, and a hacker complicates his search for the officials ordering attempts on his life.

Rock Wahlman's investigation into the officials pursuing him leads toward a secret military base and another research project. Closing in on the source of the conspiracy brings new information about his origins, along with the danger of confronting his hunters directly.

Rock Wahlman has settled into family life and private investigation after escaping the threats surrounding his creation as a Reacher clone. Turning down a celebrity lookalike's stalking complaint proves consequential when she is killed and the real star arrives nearby.