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Gideon the Ninth
by Tamsyn Muir
Gideon the Ninth drops you into a universe where necromancers rule star-spanning houses, and the snarky, sword-wielding Gideon Nav is desperate to escape her grim home. Instead, she's forced to act as cavalier for her sworn enemy, the brilliant but prickly Harrowhark Nonagesimus, as they head to a decaying, mysterious manor for a deadly competition. What unfolds is a gothic space opera mixed with a locked-room murder mystery, full of dark magic, complex political maneuvering, and a surprising amount of humor. It’s a wild, intense ride with a truly unforgettable voice, perfect for readers who love their sci-fi fantasy served with a generous side of wit, gruesome puzzles, and fiercely complicated relationships.
10 Books similar to 'Gideon the Ninth'
If you tore through Gideon the Ninth and are craving more, we've gathered books that hit similar sweet spots. You’ll find that same sharp, witty narrative voice paired with powerful, often morally grey female leads. Many of these recommendations also feature intricate political landscapes and ancient, decaying systems, alongside the thrilling tension of secrets and lies unfolding in confined, mysterious settings. From intense rivalries to deep dives into unique magical systems, these stories capture the adventurous, dark, and utterly compelling spirit of Muir's world.
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Like Gideon the Ninth, this features a brilliant but isolated protagonist navigating a ruthless imperial power structure. It shares the same blend of high-stakes political intrigue, complex world-building, and a deeply emotional, often tragic core.
Fans of the intricate world-building and the 'outsider looking in' perspective of Gideon will appreciate Mahit Dzmare’s journey. It captures a similar sense of atmospheric mystery and the weight of a sprawling, ancient civilization.
This novel mirrors the 'dark academia' and occult mystery elements of the Lyctoral trials. It features a gritty, cynical protagonist and a secret society atmosphere that feels very much in line with the Ninth House's aesthetic.
by C.L. Clark
This book features a complex, tension-filled relationship between a soldier and a royal that echoes the dynamic between Gideon and Harrow. It explores themes of duty, empire, and the messy intersection of personal loyalty and political rebellion.
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by Ann Leckie
For readers who enjoyed the unique narrative voice and the exploration of consciousness and identity in Gideon, this space opera offers a similarly bold and unconventional perspective through its AI protagonist.
by R.F. Kuang
If you were drawn to the brutal training sequences and the dark, magical costs of power in Gideon, this series offers a similarly harrowing look at a magical military academy and the consequences of war.
by V.E. Schwab
This book captures the same 'rivals-to-enemies' energy and dark, obsessive character dynamics found in the relationship between the various Houses. It is witty, fast-paced, and unapologetically focused on morally grey characters.
Readers who loved the 'locked room' mystery aspect of Canaan House will enjoy this mind-bending puzzle. It shares a similar sense of gothic atmosphere and a complex, layered plot where nothing is as it seems.
This novel matches the high-octane energy, snarky narrative voice, and 'burn it all down' attitude of Gideon. It features a fierce female lead fighting against an oppressive, patriarchal system using giant mechs and spiritual energy.
This is a perfect match for fans of the weirder, more gruesome, and darkly humorous elements of Muir's work. It features a group of people with god-like powers competing in a strange, violent, and highly imaginative world.
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