About the Book
Gideon the Ninth is the first book in Tamsyn Muir's Locked Tomb series, a genre hybrid that resists easy categorization. The setup: a sarcastic, sword-wielding young woman named Gideon Nav is forced into service by her necromancer overlord, Harrowhark, to compete in a deadly trial hosted by a god-emperor. The location is a crumbling gothic palace. The competitors are pairs of necromancers and their cavaliers. People start dying in ways that go beyond the sanctioned contest.
The book is consistently described as "lesbian necromancers in space", which is accurate, but undersells how weird it actually gets. Muir mixes secondary-world fantasy, science fiction trappings, locked-room mystery, and horror with a narrative voice that leans heavily on modern slang, irreverence, and dark comedy. Gideon herself is the source of most of that tonal distinctiveness, her internal monologue is caustic and contemporary in a way that either clicks immediately or takes adjustment.
This is a series opener, and it does function as a standalone story with a resolved central arc, though the ending opens onto larger questions. The second book, Harrow the Ninth, shifts perspective and structure significantly, so readers who connect with Gideon's voice specifically should know the series doesn't stay in one gear.
Narration & Audio Performance
Moira Quirk is a good match for this material. Gideon's voice on the page is sarcastic, fast, and contemporary, and Quirk leans into that without overplaying it. She keeps the irreverence present without making the narration feel like a performance. The pace is consistent and the tone holds across the book's tonal range, which shifts from comedy to body horror without much warning.
Where Quirk earns particular credit is in the cast differentiation. There are a large number of named characters across multiple competing houses, and Quirk gives each pair enough vocal distinction to be trackable. The necromancers and their cavaliers don't blur together, which matters in a book where keeping track of who belongs to which house is load-bearing for the mystery plot.
One honest caveat: the book's humor is dense and specific, it relies heavily on Gideon's internal commentary, and if that voice doesn't land for you in the first hour, it won't get easier with time. The Audible sample is genuinely useful here. If Quirk's delivery of Gideon's narration clicks, the rest of the book holds up. If it doesn't, that's an audio-fit problem more than a production problem.
The Audible Verdict
Quirk's narration is strong and the production is clean, but this book lives or dies on whether Gideon's specific voice works for you. The humor is dense, the slang is contemporary in a way that feels deliberately anachronistic, and if that register doesn't click early, the audio format won't save it. Sample the first chapter before spending a credit, if you're hooked, this is a solid audio experience.
Listen on AudibleIs This Book a Good Fit for Audio?
Gideon the Ninth is a character-voice-driven book more than a plot-driven one. The mystery and action matter, but what makes the book work is sustained access to Gideon's internal monologue. That's a format that plays well in audio, the narrator is essentially giving you unbroken access to a single perspective, and Quirk maintains that voice consistently across a runtime that covers a lot of tonal ground.
The main audio challenge is the cast size. Muir introduces nine competing houses, each with a necromancer and a cavalier, and distinguishing them matters for following the mystery. Quirk handles this better than average, but listeners who are particularly visual in how they track characters may find it harder to keep the roster organized without being able to flip back to a character list. There are no diagrams or maps that you'd be missing, but the cast density is real.
The book's genre-blending also works in audio's favor, the horror sequences and the comedic sequences land differently than they would on the page, and the pacing of those shifts feels natural in Quirk's hands. Overall, audio is a legitimate way to experience this book, not a downgrade from print.
Popular Listener Questions
Is this the first book in a series?
Yes. Gideon the Ninth is the first entry in the Locked Tomb series. The central story has a resolution, but it opens into a larger arc that continues in Harrow the Ninth and subsequent books.
Can it be listened to as a standalone?
Reasonably, yes. The main mystery and Gideon's arc reach a conclusion. That said, the ending raises questions that the series continues to address, so most listeners end up continuing.
Is this book appropriate for listeners who don't typically read fantasy or sci-fi?
Possibly. The genre elements are heavy, but the appeal for many readers is Gideon's voice rather than the worldbuilding. If you like dark, irreverent fiction with a strong first-person narrator, it's worth a sample regardless of your usual genre preferences.
How dark is the content?
Fairly dark. The book includes body horror, graphic violence, and death involving major characters. The humor is present throughout but doesn't soften those elements significantly.
Is the book narrated by the author?
No. The audiobook is narrated by Moira Quirk, not Tamsyn Muir.
Similar Audiobooks
The direct sequel in the Locked Tomb series. Fair warning: it shifts perspective and structure substantially, and is a harder listen than Gideon.
The Rook by Daniel O'Malley
Another book that mixes dark supernatural content with a wry, contemporary first-person voice. If Gideon's register works for you, The Rook likely will too.
Jonathan Strange & Mr Norrell by Susanna Clarke
A different tonal register, but equally committed to a specific and unusual voice. Both books reward listeners who adjust to the narrator's personality.
The Traitor Baru Cormorant by Seth Dickinson
Appeals to readers who want genre fiction that takes structural and thematic risks. Darker in tone than Gideon but similarly willing to be unconventional.
A Memory Called Empire by Arkady Martine
Published the same year, won the Hugo Award for Best Novel. Both books attracted overlapping readership interested in queer voices in speculative fiction.
Audiobook Details
| Title | Gideon the Ninth |
|---|---|
| Author | Tamsyn Muir |
| Narrator | Moira Quirk |
| Genre | Gothic Science Fantasy |
| Year | 2019 |
| Publisher | Tor Books |
| Abridged | Unabridged |
| Cast | Single narrator |
| Author-narrated | No |
Ready to listen?
Gideon the Ninth is available on Audible, if the sample lands, it's a solid use of a free trial credit.
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