Duff MacCallister Books in Order

After killing a sheriff’s son while protecting a woman in Scotland, Duff MacCallister escapes to America. He seeks a fresh start with his cousins, but pursuing deputies and hired killers threaten to carry the old conflict across the Atlantic.

Duff MacCallister plans to build his Wyoming ranch with Scottish black Angus cattle bought in Kansas City. A killer and an indebted banker threaten the purchase, putting Duff's savings and hopes for a new life at risk.

An ambush near Fort Laramie leaves an officer's wife captive and a surviving soldier telling a false story. Duff MacCallister joins the pursuit, risking a confrontation with Yellow Hawk to bring the woman back.

Duff MacCallister stops a bank robbery and arrests Johnny Taylor's brother, provoking a campaign of revenge against Chugwater. As Taylor's gang threatens civilians and takes a hostage, Duff must find a way to stop the killings without surrendering justice.

After the Kingdom Come Gang kills a member of his family, Duff MacCallister rides from Wyoming to Texas. Recruiting help for an assault on occupied Boracho, he must confront ruthless criminals while protecting hostages trapped inside the town.

Delivering cattle to Texas draws Duff MacCallister into a violent campaign of fence cutting. When the governor's daughter is kidnapped, Duff must pursue her captors with a small force that includes outlaws he cannot fully trust.

Duff MacCallister finds a neighboring ranch burned and its owners murdered. Their fourteen-year-old daughter insists on joining his pursuit of the killers, leading them into the Gore Range against escaped convicts and their armed rescuers.

Duff MacCallister discovers that powerful Wyoming cattlemen are targeting small ranchers who legally claim unbranded cattle. When ranch owner Brad Houser offers payment to have those rivals killed, Duff steps into a dispute that has become a campaign of murder.

Duff MacCallister's former commander asks him to help the New Mexico mining town he now governs. A would-be king is extorting residents with a private army, and a local traitor makes resisting his takeover still more difficult.

Duff MacCallister welcomes plans for a railroad through Chugwater until its developer begins forcing ranchers to sell valuable land. As hired gunmen bring violence to the town, Duff organizes resistance to protect the settlers' homes and livelihoods.

Duff MacCallister learns that his banker friend supposedly stole customers' money and killed himself. Doubting that account alongside the widow, Duff obtains a territorial marshal's appointment to investigate corruption and recover the truth behind the missing funds.

An avalanche forces a wagon train onto the steep Nightmare Trail, where the Hardcastle gang preys on travelers. Duff MacCallister joins the Spencer family to guide them through dangerous terrain and defend them against the outlaws.