Locked Tomb series Books in Order

Tamsyn Muir's gothic science-fantasy series following necromancers and their sworn cavaliers across a decaying empire ruled by an undying god-emperor. Blending dark humor, mystery, and unreliable narration, each installment reframes the events of the one before it.

Publication order

In the order the books were originally released.

  1. Cover of Gideon the Ninth

    Gideon the Ninth

    2019 · Tamsyn Muir

    The Emperor needs necromancers. The Ninth Necromancer needs a swordswoman. Gideon has a sword, some dirty magazines, and no more time for undead…

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  2. Cover of Harrow the Ninth

    Harrow the Ninth

    2020 · Tamsyn Muir

    She answered the Emperor's call. She arrived with her arts, her wits, and her only friend. In victory, her world has turned to ash. Harrowhark…

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  3. Cover of Nona the Ninth

    Nona the Ninth

    2022 · Tamsyn Muir

    Nona's city is under siege, and zombies are returning. Despite the chaos, Nona longs for a birthday party. She lives with her family, works at a…

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Companion & related books

Short-story collections and companion titles in this series.

Frequently asked questions

What order should I read the Locked Tomb series books in?

Read them in publication order, starting with “Gideon the Ninth”. Start with “Gideon the Ninth.”

How many books are in the Locked Tomb series series?

We list 5 books by Tamsyn Muir , published between 2019–2022.

Where can I buy the Locked Tomb series books?

Each title above links to Amazon. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

Reading order compiled from author/publisher guidance and verified bibliographic data. Spotted an error? We continuously correct the catalog.