Sebastien de Castell

decastell.com @decastell

Fantasy Mystery Thriller

Sebastien de Castell is a versatile author with eighteen published novels, including the acclaimed Greatcoats series and Spellslinger YA fantasy series.
His works blend swashbuckling adventure, fantasy, and supernatural elements.
De Castell's background spans various fields, including archaeology, music, and fight choreography, which influence his writing.
His novels have received numerous award nominations, including the Goodreads Choice Award and the Carnegie Medal.
Currently residing in Vancouver, Canada, de Castell maintains an active online presence through his website and social media platforms.
He continues to produce engaging fantasy narratives, with his latest novel, "Malevolent Eight," exploring themes of supernatural conflict and morally ambiguous heroism.

Books by Sebastien de Castell

Traitor's Blade

by Sebastien de Castell • 2014

Three framed swordsmen spirit the dead king's lost heir across a kingdom bent on their destruction.

4.04

26k+

😏 Swashbuckling Fantasy 😔 Disgraced Knights 💕 Found Family

Traitor's Blade

Three framed swordsmen spirit the dead king's lost heir across a kingdom bent on their destruction.

by Sebastien de Castell 2014 325 pages

4.04

26k+ ratings

😏 Swashbuckling Fantasy 😔 Disgraced Knights 💕 Found Family

Spellslinger

by Sebastien de Castell • 2017

Kellen has no magic and his trial approaches. A wandering trickster teaches him to cheat.

4.03

19k+

✨ Magicless Hero 🃏 Trickster Mentor 🐿️ Animal Companion

Spellslinger

Kellen has no magic and his trial approaches. A wandering trickster teaches him to cheat.

by Sebastien de Castell 2017 416 pages

4.03

19k+ ratings

✨ Magicless Hero 🃏 Trickster Mentor 🐿️ Animal Companion

Knight's Shadow

by Sebastien de Castell • 2014

Poisoned, hunted, a fallen magistrate shields a king's secret heir as the realm descends into war.

4.24

14k+

🖤 Grimdark Fantasy ⚔️ Swashbuckling Fantasy 🤝 Found Family

Knight's Shadow

Poisoned, hunted, a fallen magistrate shields a king's secret heir as the realm descends into war.

by Sebastien de Castell 2014 606 pages

4.24

14k+ ratings

🖤 Grimdark Fantasy ⚔️ Swashbuckling Fantasy 🤝 Found Family

Shadowblack

by Sebastien de Castell • 2017

A branded exile escorts a blindfolded girl home to an academy infected by her affliction.

4.12

10k+

🏜️ Frontier Fantasy 🖤 Marked Outcast 👥 Found Family

Shadowblack

A branded exile escorts a blindfolded girl home to an academy infected by her affliction.

by Sebastien de Castell 2017 324 pages

4.12

10k+ ratings

🏜️ Frontier Fantasy 🖤 Marked Outcast 👥 Found Family

Saint's Blood

by Sebastien de Castell • 2016

Iron masks. Dying Saints. A scarred magistrate fights to stop a new god from rising.

4.25

10k+

🗡️ Swashbuckling Fantasy ⚖️ Legal Fantasy 🫂 Found Family

Saint's Blood

Iron masks. Dying Saints. A scarred magistrate fights to stop a new god from rising.

by Sebastien de Castell 2016 576 pages

4.25

10k+ ratings

🗡️ Swashbuckling Fantasy ⚖️ Legal Fantasy 🫂 Found Family

Tyrant's Throne

by Sebastien de Castell • 2017

A barbarian horde, a secret heir, and a dying kingdom: the Greatcoats must hold the line.

4.42

8k+

🗡️ Musketeer Fantasy 🖤 Found Family 🏰 Political Intrigue

Tyrant's Throne

A barbarian horde, a secret heir, and a dying kingdom: the Greatcoats must hold the line.

by Sebastien de Castell 2017 608 pages

4.42

8k+ ratings

🗡️ Musketeer Fantasy 🖤 Found Family 🏰 Political Intrigue

Charmcaster

by Sebastien de Castell • 2018

A cursed outcast arrives at an exhibition of marvels, where one invention could ignite a war.

4.21

8k+

🛠️ Magical Invention 🐾 Animal Companion 🤝 Found Family

Charmcaster

A cursed outcast arrives at an exhibition of marvels, where one invention could ignite a war.

by Sebastien de Castell 2018 448 pages

4.21

8k+ ratings

🛠️ Magical Invention 🐾 Animal Companion 🤝 Found Family

Soulbinder

by Sebastien de Castell • 2018

Cursed and hunted by his father, an exile finds a monastery that turns outcasts into weapons.

4.23

6k+

🖤 Dark Coming Of Age 🌑 Magical Outcasts 🫂 Found Family

Soulbinder

Cursed and hunted by his father, an exile finds a monastery that turns outcasts into weapons.

by Sebastien de Castell 2018 432 pages

4.23

6k+ ratings

🖤 Dark Coming Of Age 🌑 Magical Outcasts 🫂 Found Family

The Malevolent Seven

by Sebastien de Castell • 2023

A cynical war mage and his crew of misfits take a mercenary job with apocalyptic stakes.

4.01

6k+

🗡️ Mercenary Mages 🖤 Darkly Comic 😈 Demonic Bargains

The Malevolent Seven

A cynical war mage and his crew of misfits take a mercenary job with apocalyptic stakes.

by Sebastien de Castell 2023 384 pages

4.01

6k+ ratings

🗡️ Mercenary Mages 🖤 Darkly Comic 😈 Demonic Bargains

Queenslayer

by Sebastien de Castell • 2019

Accidental treason forces an exiled outlaw to play cards for his life against a child queen.

4.18

5k+

🏰 Palace Intrigue 🐿️ Animal Sidekick 🖤 Shared Magical Mark

Queenslayer

Accidental treason forces an exiled outlaw to play cards for his life against a child queen.

by Sebastien de Castell 2019 464 pages

4.18

5k+ ratings

🏰 Palace Intrigue 🐿️ Animal Sidekick 🖤 Shared Magical Mark

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