Gideon the Ninth by Tamsyn Muir

From Book Trigger Warnings
Gideon the Ninth
Cover of Gideon the Ninth by Tamsyn Muir
Author(s) Tamsyn Muir
Published September 10, 2019
Publisher Tor
Genre(s) Fantasy
Age group Adult

Gideon the Ninth by Tamsyn Muir is an adult fantasy novel, originally September 10, 2019. It is the first book in The Locked Tomb series.

Trigger Warnings

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  • Age gap (18/27)
    Romantically charged interactions between an 18 y.o. and a 27 y.o.
  • Body horror (graphic)
  • Death (including children)
  • Gore
  • Injury
  • Murder
  • Mutilation
  • Necromancy
  • Self-harm
  • Suicide (depicted and referenced)
  • Trauma
  • Violence


An asterisk (*) indicates that the author openly identifies with that identity.

  • Lesbian main character*
  • Chronically/terminally ill side character