Whyborne & Griffin Books in Order

Scholar Percival Whyborne agrees to decipher a mysterious book for private detective Griffin Flaherty, despite his determination to avoid romance. Their investigation of a young man's murder uncovers a dangerous cult and feelings Whyborne has long suppressed.

When a blood-covered colleague cannot remember an apparent murder, Whyborne and Griffin set out to prove his innocence. Their search leads into an asylum, a missing artifact, and sinister experiments that stir Griffin's own traumatic memories.

Whyborne joins Griffin on an investigation into disturbing events at his father's coal mine. Supernatural dangers and unexplained deaths await at Threshold Mountain, where the presence of Griffin's former lover also unsettles their relationship.

Whyborne's sister returns seeking help with a derelict ship, and a brutal murder draws him and Griffin into the case. Their investigation uncovers blackmail and sorcery alongside family secrets that threaten Whyborne's understanding of himself.

An urgent telegram draws Whyborne and Griffin to Egypt after a strange attacker nearly kills Whyborne at the museum. Joining Christine among ancient ruins, they confront betrayal and a resurrected sorceress while testing the bonds holding their friendship together.

A strange artifact discovered by Griffin's brother sends Whyborne, Griffin, Christine, and Iskander to Alaska. Amid a secretive mining camp and rumors of lost civilization, they must stop ancient magic before it claims Jack and everyone trying to save him.

A magically corrupted assassin from Griffin's hometown draws him and Whyborne to drought-stricken Fallow, Kansas. Trying to protect Griffin's mother, they discover a cult whose plans could devastate far more than the town.

A creature drains the blood of Widdershins' old families, and suspicion falls on Whyborne. To clear his name and prevent a greater disaster, he and Griffin must join forces with the Endicotts and confront the threat hidden in Draakenwood.

Whyborne travels with Griffin and their friends to help the Endicotts reclaim Balefire Manor from a cult. In return, he hopes to decipher a vital codex, but the isolated mansion holds dangers bound to his own destiny.

News that Widdershins has fallen reaches Whyborne and Griffin as they return from Balefire Manor. With the Masters' return approaching, they and their friends must reach the occupied town in time to make a final stand.