December 3rd, 2026: The Malevolent Nine (The Malevolent Seven, #3)
Our Lady of Blades (Court of Shadows, #3) was the most recently released book by Sebastien de Castell, on May 14th, 2026.
Sebastien de Castell Stats: The highest rated book by Sebastien de Castell on Book Notification is Tyrant's Throne, the 4th novel in the Greatcoats series. The second-highest rated book is Saint's Blood (Greatcoats #3).
The most read book by Sebastien de Castell on Book Notification is Traitor's Blade, the first novel in the Greatcoats series. The second most read book is Knight's Shadow (Greatcoats #2).
Below is a complete list of Sebastien de Castell books in publication and chronological order, broken down by series. The most popular series by Sebastien de Castell is the Greatcoats Series.
A sword-fighting magistrate and a failed son of Greatcoats investigate supernatural secrets and corruption.
Ranked by popularity, the top Greatcoats books are Traitor's Blade, Knight's Shadow, and Saint's Blood.
A failed mage uses cunning and allies to survive dangers, conspiracies, and magic in a fantasy world.
Broken mages sell their deadly skills, but friendship and saving the world keep getting in the way.
Sebastien de Castell was born in Pointe Claire, Quebec, Canada.
Sebastien de Castell is known for writing in the Fantasy and Young Adult Fiction genres.
Sebastien de Castell is the author of the Spellslinger series which currently consists of 10 novels. The Spellslinger series started in 2017 with the novel Spellslinger. The most recently released novel in the Spellslinger series was Fate of the Argosi which was released in 2023. There are no upcoming novels for the Spellslinger series.
Sebastien de Castell has also written the Greatcoats series which has 5 books including Traitor's Blade and Knight's Shadow.
Sebastien de Castell was nominated for the Hugo Award, Astounding Award for Best New Writer, in 2016.
de Castell's book, Traitor's Blade was nominated for the Goodreads Awards, Best Fantasy, in 2014.
Fans of Sebastien de Castell also enjoy these authors:
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Home » Authors » Sebastien de Castell List of Books
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