R Lawson Gamble Books in Order

When a young girl's death appears to be a bear attack, FBI agent Zack Tolliver and Navajo tracker Eagle Feather find evidence of something far worse. As more victims appear, the hunt stretches from Arizona to Southern California and becomes painfully personal.

A killer stalks San Francisco's green spaces, leaving victims brutally murdered and almost no evidence behind. Assigned to the case, Zack Tolliver calls on Eagle Feather as they race to stop an attacker who strikes on a deadly schedule.

This photographic history traces California's Los Alamos Valley from Chumash life and Spanish land grants through ranching, railroads, vineyards, and tourism. Community-supplied images help tell the story of a small town shaped by many cultures.

While speaking at a Central Coast college, Zack Tolliver is drawn into the disappearance of ranch workers. Cartels, smuggling, murder, and an old enemy turn what should have been a quiet visit into a dangerous investigation.

Zack rushes back to Tuba City after Eagle Feather is injured in what appears to be a mountain-lion attack. Hunting the animal seems like the only way forward, until Zack learns this is no ordinary cat and no ordinary hunt.

After losing her pups, Payu the dingo finds herself caring for a human infant. Her fierce maternal instinct tells her to keep the baby, but finding a safe way to raise a child becomes an obstacle-filled journey.

Two young men are found dead after an impossible-looking duel in the Mojave National Preserve. Zack, Eagle Feather, and Dr. Susan Apgar follow the clues through desert history, old conflicts over water, and a case that resists easy answers.

A teenage boy is found killed by a spear near a hidden cave on Canaan Mountain, frightening a guarded religious community. When Zack's niece is followed home, Zack and Eagle Feather must uncover what local leaders are hiding.

A burned woman's body is discovered near the site of an unsolved 1864 murder in California's Las Cruces Valley. Zack Tolliver and Eagle Feather investigate whether a terrible piece of local history is repeating itself in the present.

Fresh from FBI training, Zack Tolliver begins his first assignment as a liaison on the Navajo Nation. A missing-person case, sheep mutilations, and a murder force the inexperienced agent to confront a landscape and culture he barely understands.

Fifteen-year-old Johnny finds hope in a newspaper job and the mentorship of Ike Sanders in Deep River, Texas. Then the feared gunfighter called the Kid arrives, bringing a secret that threatens Johnny, his mother, and the whole town.

Johnny is fleeing gunmen eager to test themselves against his growing reputation. He hides in the seemingly peaceful town of Hebron, where church rules the community and the Preacher's authority may offer safety, or create a new kind of danger.

A leading hydrology scientist vanishes near an abandoned oasis while working on a desert energy project. When a bomb is planted on Zack Tolliver's Jeep and the FBI pulls back, Zack and Eagle Feather keep digging at their own risk.