London, 1816: When a notorious young aristocrat is burned alive on a windswept hill popular with neo-Druids, former cavalry officer Sebastian St. Cyr, Viscount Devlin, finds himself plunged into a murder investigation haunted by tales of ancient human sacrifices and long-buried secrets.
The victim, Marcus Toole, was the only son and heir of a prominent nobleman. His closest friend—Sebastian’s own nephew, Bayard—claims to have passed out drunk before the attack and remembers nothing. But when Sebastian and his brilliant wife, Hero, delve deeper into the sordid activities of Bayard and his friends, they come to fear that Bayard may not be as innocent as he pretends. Following a tangled trail that leads from a disaffected former soldier-turned-highwayman to a beautiful, courageous journalist and a Jamaican-born fencing master with ties to a radical political movement, Sebastian begins to suspect that Bayard and his friends are being targeting in revenge, by victims who have come to believe they have no other recourse.
Then another of Bayard’s friends is killed, his murder again staged to echo the ritual sacrifices of the ancient Celts. With the palace frightened by the fear of riots and one horrifying death following another, Sebastian must race to stop a ruthless plot that threatens the lives of innocents and could rip his troubled nation apart.
The series
Step into the shadowy world of Regency England, where intrigue and danger lurk behind every gilded door and beneath the polished surfaces of high society. The Sebastian St. Cyr Mysteries invites readers into the life of a brooding nobleman-turned-sleuth whose investigations reveal not just the criminal underworld of London but the hidden, often tragic stories of its people.
Read full series description
Sebastian St. Cyr, the Earl of Hendon, is no ordinary detective. Haunted by his own dark past and the complexities of his own lineage, he becomes an unlikely investigator, driven by both personal demons and an unyielding desire for justice. Each case he tackles forces him to confront not only the brutal realities of Regency society but also the ghosts of his own history. His investigations span everything from high-profile murders to the quiet, forgotten crimes of the poor, unveiling the contradictions of an age marked by both grandeur and decay.
What sets this series apart is its richly woven atmosphere—Harris doesn’t just craft mysteries; she brings an entire world to life. Regency London pulses with authenticity, from the narrow, fog-filled streets to the grand, candlelit ballrooms. The tension between public respectability and private vice runs throughout, as St. Cyr navigates not only dangerous criminals but the webs of secrets that tie the social elite together. It’s a world where the boundaries between right and wrong blur, and the most intriguing mysteries lie in the human hearts beneath the masks.
With each book, the stakes grow higher, the characters more complex, and the web of intrigue more tightly spun. The Sebastian St. Cyr Mysteries is more than a series of compelling whodunnits—it’s a study in character, morality, and the unspoken truths that shape the past. A series where the past and present collide, each novel offers a captivating journey into a world where every mystery is more than it seems.
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