Mark De Castrique

At seventy-five-years-old, Ethel Fiona Crestwater is used to being underestimated. She looks like someone's grandma, although she's never married or had children; petite and a bit frail, she's not a threat to anyone. Or is she...? Ethel runs a boarding house for government agents, and when...

At first it appears a mugging gone horribly wrong: one man dead and a woman left in a coma one Friday night in Washington, D.C. The woman is Arlington police detective Frank Mancini's niece and lives in the boarding house run by retired FBI-agent-turned-landlady Ethel Fiona Crestwater. Ethel and...

When private eyes Sam Blackman and Nakayla Robertson are asked by an eighty-year-old client to investigate the death of her brother, they warn her there is little chance of success. Paul Weaver died nearly seventy years earlier. The only documentation she has is the sole surviving copy of a...

It was only a simple, routine assignment for private investigator Sam Blackman and his partner, Nakayla Robertson: follow a history professor, who is suing a spinal surgeon for malpractice, and catch her in physical activities that undercut her claim. When the professor, Janice Wainwright...

When private detective Sam Blackman agrees to help his partner and lover, Nakayla Robertson, conduct a fundraiser for orphaned twins, he does so to ease his conscience. The boys’ parents were killed in a courtroom shootout where Sam was the key witness against the twins’ father. The charity...

In Asheville, North Carolina, the Blackman & Robertson Detective Agency faces a disturbing reality: no clients. Sam Blackman finds inactivity intolerable, so when partner Nakayla Robertson suggests a mushroom hunt on the site of a historic freed-slave commune called the Kingdom of the Happy Land...

A river gives up its dead, but not its secrets . . . Sam Blackman and Nakayla Robertson, private investigators in Asheville, North Carolina, are hired when a local environmentalist dies while monitoring water quality in the nearby Pigeon River. With no soil or water samples found near the body...

In this unusual spin on the classic spy novel, murder strikes from our wartime pasts . . . Iraq War veteran Sam Blackman with his prosthetic leg and his no-nonsense private eye partner Nakayla Robertson love their investigations―and they love each other. An interracial couple in the new South...

When Cherokee burial remains are unearthed on the site of a local cemetery's expansion, Barry Clayton, part-time deputy and full-time undertaker, finds his dual occupations colliding. Then, during the interment of the wife of one of Gainesboro's most prominent citizens, Cherokee activist Jimmy...

Russell Mullins has left intelligence work. When his wife died of cancer, Rusty quit the Secret Service to repurpose his life. He joins a private protection company in Washington, DC, and is assigned to guard Paul Luguire, a Federal Reserve executive and chief liaison with the US Treasury...

When Barry Clayton’s father developed Alzheimer’s disease, Barry gave up his career in law enforcement to run the family’s funeral home in the North Carolina mountain town of Gainesboro, where he is known as Buryin’ Barry. But even a small town in the Appalachians is not immune to crime...

He knows the secret, she knows the truth… “The list. You’re on the list. God’s chosen Gene.” When children’s hospital volunteer and high school student Gene Adamson hears the words of the dying man, the gunman who used him as a shield after murdering a prominent geneticist, Gene...

A locked-room young adult whodunit in the classic tradition of Sherlock Holmes June 1860. A new locomotive christened A Southern Breeze steams across the Carolina countryside carrying seventeen-year-old Jeb Bennett and his twin sister, Rachel Leigh, to the exhilarating promise of a summer in...