Blue Darkness: Hastings’s vacation on a Gulf Coast island in Florida is interrupted by a hostile search for a priceless gem. A Saudi Prince, and Atlanta criminal and the FBI are in hot pursuit.
The Towers: Tom Hastings takes on a serial killer in a Minneapolis apartment high-rise near Lake Calhoun. His friend Julie and other residents struggle to survive
Danger in the Keys: The dark cloud that followed Tom Hastings from central Minnesota to Minneapolis clings to him like jam does to bread during a vacation trip to Florida. He is trapped in the midst of a circle of greedy people who stop at nothing, including murder, to gain possession of a rare, priceless gem. The story opens on Highway 75 in the Smoky Mountains of Tennessee. A young woman driving a small Chevrolet passes Hastings and sails over a railing onto a steep slope. This is the beginning of a classic adventure for the bachelor from Minnesota.
Purgatory Curve: Back home, Hastings creates another mystery after seeing someone jump from a pickup truck just before being hit by a train, killing a well-to-do elderly local farmer. The victim’s daughter drags him into the investigation.
Gray Riders: The sons of several ranchers located in western Missouri during the Civil War become known as the Gray Riders. They protect the residents from local marauders and Union attackers. Grady Hastings becomes their leader.
Sleep Six: A six-year old girl’s mother is assaulted by six men. May years later, after her mother’s death, she moves back to Minnesota and takes the law into her own hands.
Night out in Fargo: A senator’s nephew rides to a fiery death and thus begins a series of hostile actions in the Border’s Lake area of Minnesota and the cities of Fargo and West Fargo, North Dakota
Gray Riders II: The Gray Riders survive the Civil War. They return to ranching and defending their homes. US Marshalls, stagecoaches and the James-Younger gang become prominent. The Hastings family migrates to Minnesota.
Ice Lord: A man with a deranged mind punishes ice-fisherman for fishing on Sundays in the winter months in the state of Minnesota. A mass number of cigarette thefts in nearby small towns complicates the police investigation.
Rio Grande Identity: Tom Hastings takes his new friend Samantha to Texas for the winter. She invests in a scam. Can Hastings recover her loss?
War & Beyond: This is a sequel to Gray Riders II. The Hastings family has moved to Minnesota and get caught up in World War I, prohibition, Stock Market crash, depression and World War II. Tom Hastings makes his first appearance as a member of the family
Revenge: Tom Hastings and Samantha visit his Great-Grandfathers farm and town in Missouri. Shockingly they discover that the ghastly family that tormented the local ranchers during Civil War days and afterwards, still exist.