Spellslinger Books in Order
Part ofSebastien de Castell Books in OrderBrowse the Spellslinger books by Sebastien de Castell in order, with quick summaries, series background, and easy where-to-start guidance.
Last updated: June 9, 2026
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Publication Order
9 books
Shadowblack
by Sebastien de Castell
2017
Now an outlaw, Kellen stumbles into a plot involving blackmail, murder, and a magical plague spreading across the frontier. With Seneira and Reichis at his side, he has to unmask the culprit before shadowblack consumes far more than one town.
Spellslinger
by Sebastien de Castell
2017
Sixteen-year-old Kellen is supposed to become a mage, but his magic is failing when he needs it most. Forced to rely on tricks instead of power, he teams up with the wandering Argosi Ferius and starts imagining a different life.
Charmcaster
by Sebastien de Castell
2018
A strange playing card draws Kellen to a glittering city of inventions, bargains, and hidden danger. To save a friend and survive forces more slippery than open magic, he has to outwit enemies who love control as much as destiny.
Soulbinder
by Sebastien de Castell
2018
Desperate for a cure to the shadowblack, Kellen heads for the legendary Ebony Abbey with Reichis. The search pulls him toward old secrets, new enemies, and hard questions about who he is becoming.
Crownbreaker
by Sebastien de Castell
2019
Kellen and Reichis finally have a purpose as protectors of the young queen, but peace never lasts long in this world. The final book turns loyalty, power, and sacrifice into one last dangerous test of the man Kellen wants to be.
Queenslayer
by Sebastien de Castell
2019
Arrested for treason, Kellen is told he can save himself by killing the queen. Instead he discovers an unusually sharp eleven-year-old ruler at the center of a dangerous conspiracy, and staying alive means choosing sides in an empire's game.
Fall of the Argosi
by Sebastien de Castell
2021
Ferius keeps moving through a world full of mages, monsters, and hard lessons. Joined by the sharper-than-she-seems Argosi Rosie, she faces madness, danger, and the kind of choices that shape who she will become.
Way of the Argosi
by Sebastien de Castell
2021
Before she became Kellen's mentor, Ferius Parfax was a girl marked by massacre and exile. Hunted by the mages who destroyed her people, she begins the long, painful path toward becoming an Argosi.
Fate of the Argosi
by Sebastien de Castell
2023
While breaking a thief out of prison, Ferius meets Chedran, one of the last Mahdek, and agrees to help his people find safety. At the same time, old loyalties and new feelings force her to decide what she truly owes her own society.
Series background & context
The Spellslinger series starts with a great fantasy twist: the boy from the powerful mage clan is not secretly the strongest one in the room. Kellen Argos is on the edge of his trials, and his magic is failing him. In the Jan’Tep world, that is not embarrassing, it is life-defining. If he cannot prove himself, his future shrinks fast. So the series begins with a hero who has brains, nerve, and sarcasm, but very little raw power.
That changes the feel of everything that follows. Kellen survives by cheating better, bluffing faster, and noticing what other people miss. He learns from Ferius Parfax, a wandering Argosi who teaches him that there are other ways to fight besides standing still and trading spells. He is also stuck with Reichis, a thieving, biting, deeply unreliable squirrel cat who somehow becomes one of fantasy’s great scene-stealers. The books are funny, but they are never just jokes.
Kellen wins because he refuses to play the part everyone wrote for him.
The setting helps a lot. These novels move from the rigid world of mage clans into deserts, border towns, strange cities, secret abbeys, and royal courts. Along the way the series opens up from one boy’s fear of failure into something much bigger. There are bounty hunters, magical plagues, political traps, and empires willing to treat people as pieces on a board. By the later books, Kellen is still improvising his way through disasters, but the disasters have gotten a lot larger.
Magic in this world often feels half duel, half con. People posture, bluff, and try to get inside each other’s heads. Even when the series reaches queens and empires, it keeps returning to small tactical problems: who can be trusted, what hidden cost sits inside a favor, and whether a clever trick can stand up to a stronger enemy. That gives the action a nice snap. Winning is rarely about being the biggest force in the room.
What keeps the series grounded is Kellen himself. He is funny because he is scared. He lies because sometimes lying is the only tool he has. He wants to do the right thing, but he rarely gets a clean version of that choice. That makes the coming-of-age arc feel less shiny and more honest. Spellslinger, Shadowblack, Charmcaster, Soulbinder, Queenslayer, and Crownbreaker all build on that tension between the person Kellen is told to be and the person he slowly becomes.
There is also a nice balance in tone. The books are easy to race through, but de Castell keeps slipping in sharper emotional moments, especially around family, belonging, and the cost of staying decent in a world that rewards cruelty and spectacle. The prequel Argosi books deepen that even more by going back to Ferius and showing where some of her hard-earned wisdom came from.
If you want fantasy with wit, travel, strange magic, found family, and an underpowered hero who survives on nerve and dirty tricks, Spellslinger is the place to go.
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