Sebastien de Castell

1 universe Last reviewed 2026-09-21

Sebastien de Castell has worked as a musician, a die-hard musical theatre actor, a professional negotiator, a signed fencer, and an archaeologist, before turning to writing fantasy fiction full-time. He is best known for the swashbuckling Greatcoats quartet, which began with Traitor's Blade in 2014.

Universe(s)

Books

• Knight's Shadow (2014) · The Greatcoats Core Canon
• Traitor's Blade (2014) · The Greatcoats Core Canon
• Saint's Blood (2016) · The Greatcoats Core Canon
• Tyrant's Throne (2017) · The Greatcoats Core Canon

Aggregate across all universes

• Total Core Canon books across all universes: 4 books
• Award recognitions across all universes: 1 (1 finalist mention)

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