Treason at the Tower by Helen Cox

Treason at the Tower

York’s shadowy secrets keep Kitt Hartley on her toes

Written byHelen Cox
Narrated byUnknown
Length10h00m
Release dateOctober 8, 2026
LanguageEnglish
Not yet rated

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Quick Facts

AuthorHelen Cox
NarratorUnknown
Runtime10h00m
PublishedOctober 8, 2026
RatingNot yet rated
CategoriesMystery, Thriller & Suspense, Mystery, Amateur Sleuths, Cozy, Women Sleuths
FormatAudiobook (Digital)
PlatformAudible

About This Audiobook

Helen Cox’s *Treason at the Tower* isn’t just another amateur sleuth yarn—it’s a sleek, atmospheric yarn spun with the grimy charm of historical York and the sharp wit of a protagonist who refuses to be sidelined. Kitt Hartley, ex-investigator turned overworked librarian, thinks she’s earned her November respite, but the city’s festering secrets have other plans. When a cryptic message tied to the Gunpowder Plot surfaces, Kitt stumbles into a conspiracy that’s less about gunpowder and more about power—with a body count that’s anything but ceremonial. Cox’s plotting is razor-focused, blending the cozy trappings of small-town life with the adrenaline rush of a thriller that won’t let go.

Narration details remain a mystery, but the book’s strength lies in its voice—Kitt’s dry humor and stubborn persistence crackle off the page, making her the kind of heroine who feels like a real person, not a checklist of quirks. The audiobook’s success hinges on whether the narrator can match that energy without overplaying the Yorkshire grit, but Cox’s prose already does half the work for them. This is a mystery that respects its reader’s intelligence, delivering clues with a scalpel’s precision and a pace that never lets up, even as November’s chill seeps into every scene.

Tags: Gunpowder Plot thrillerYorkshire mystery audiobookAmateur sleuth cozy thrillerHistorical crime fictionBritish mystery narrator

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Editor's Review

AudioBook Atlas

I went into *Treason at the Tower* expecting a cozy mystery with a side of history, but Cox delivers something sharper—a historical thriller that wields the past like a weapon. Kitt Hartley is the kind of protagonist you root for immediately: a woman who’s seen too much to believe in easy answers but still can’t resist digging for the truth. The story’s hook—the discovery of a centuries-old conspiracy tied to the Gunpowder Plot—isn’t just window dressing; it’s the beating heart of a mystery that unfolds like a slow-burn fuse. Cox’s writing balances meticulous research with snappy dialogue, and the result is a book that feels both immersive and effortlessly readable. That said, the audiobook has a few hurdles. The narration isn’t credited, which is a red flag—if the reader’s voice doesn’t match Kitt’s sarcastic edge or the dialogue’s natural cadence, the whole thing could fall flat. I also found the middle act’s pacing a tad uneven, with a few too many red herrings that slowed the momentum just enough to lose me before the final act’s sprint to the finish. Still, when Cox nails it—and she often does—it’s a thrill. The climax, set against York’s medieval backstreets, is genuinely tense, and Kitt’s final confrontation with the truth is as satisfying as a well-poured pint. If you’re craving a mystery that’s equal parts brain and brawn, this one’s worth your time.

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Treason at the Tower by Helen Cox is an immersive listening experience. Performed by Unknown with a runtime of 10h00m, you can start with a free trial that you can cancel at any time. The audiobook remains yours forever, even if you end the trial.