Here Are the Biggest Fantasy & Science Fiction Books Releasing This Week (October 11–17)

Kinch and Galva return in The Thrice-Bound Fool, Becky Chambers begins a new science fiction duology, and Jonathan Maberry closes out NecroTek. Those are three of the biggest fantasy and science fiction books releasing this week, October 11–17, with new adventures from Ransom Riggs, Claire North, Drew Hayes, and more joining them.

Here are ten releases to watch for, with US publication dates and links to the editions listed. If you missed the previous batch, you can also catch up on last week’s new releases.

The Thrice-Bound Fool by Christopher Buehlman

Release Date: October 13, 2026

Kinch Na Shannack has stolen a book that would very much like to kill him. Unfortunately, the secrets inside it may be the only way to protect Manreach. Galva has agreed to keep him alive while he works them out, partly because the same book could help save the queen she loves.

The Thrice-Bound Fool is the direct sequel to The Blacktongue Thief, returning to Kinch and Galva after Buehlman explored Galva’s earlier life in The Daughters’ War. With the Taker’s Guild pursuing them, the pair must travel beyond the world they know. The new hardcover arrives October 13.

As You Wake, Break the Shell by Becky Chambers

Release Date: October 13, 2026

Becky Chambers begins a new science fiction duology on Fortune, a planet where resources are scarce and survival depends on the people around you. Cora pilots a living ship named Colibri, but a dangerous condition threatens both her career and their bond. Her search for help brings her to Signy, a botanist who makes medicine in a small plant shop.

Signy is used to bending the rules for people the system has failed. Helping Cora, however, could put the life she has built at risk. The novel follows their relationship across two timelines, combining an alien setting with the questions of care, belonging, and responsibility familiar to Chambers’ readers.

Ghosts of the Void by Jonathan Maberry

Release Date: October 13, 2026

Jonathan Maberry brings the NecroTek series to its conclusion with Ghosts of the Void. The people aboard Asphodel have survived being transported to a remote part of the galaxy, followed by months of fighting creatures out of their worst nightmares. Now they may finally have a way back to Earth.

That escape depends on recreating the God Machine while surviving the Mi-Gos and the forces of the Outer Gods. The ghost-pilot Lost helps the station’s survivors pursue their chance at freedom, but control of the machine has consequences far beyond Asphodel. This is the third NecroTek novel, following NecroTek and Cold War.

Sunderworld, Vol. 2: The Unfortunate Responsibilities of Leopold Berry by Ransom Riggs

Release Date: October 13, 2026

Leopold Berry’s introduction to Sunder did not go as planned. He failed his channeler test and was thrown out, only to discover a powerful ring through clues left by his mother. He has no idea how to use it, and having it has attracted the attention of people and creatures he would rather avoid.

Ransom Riggs concludes the Sunderworld duology as Leopold, Emmet, and Isabel face a magical world in trouble. Leopold must untangle his family’s history while the government, paparazzi, and monsters close in. Readers who started with The Extraordinary Disappointments of Leopold Berry can pick up the second volume in hardcover this week.

As We Fall Through Time by Claire North

Release Date: October 13, 2026

Cal keeps trying to change history to save Olivier, the French Revolutionary soldier he loves. More than two centuries later, museum worker Fadimatou makes an impossible discovery: the mummified body in front of her is her own. Their stories unfold as the boundaries between past and future begin to break down.

As We Fall Through Time is a standalone novel from Claire North, whose earlier books include The First Fifteen Lives of Harry August. It combines a love story with a mystery about what happens when attempts to rewrite the past threaten time itself. Orbit publishes the paperback on October 13.

Accidental Champion 9 by Todd Herzman

Release Date: October 14, 2026

Xavier barely has time to enjoy his latest victory before one of his closest allies is kidnapped. The rescue takes him beyond the sectors he controls, where he cannot simply draw on the strength of his empire. To bring his friend home, he will have to confront an A Grade enemy himself.

Todd Herzman’s ninth Accidental Champion book continues the LitRPG apocalypse series with another test of Xavier’s growing power. The story retains the detailed system, classes, skills, and loot that have driven his rise, while putting limits on how much help he can bring to this fight. The ebook releases October 14.

Matabar 4 by Kirill Klevanski

Release Date: October 14, 2026

Ardan Egobar is still studying at the Grand, but the collapse of the Order of the Spider has left him with a question: who was really directing it? Finding the answer adds another problem to a life already complicated by demons, foreign spies, mutants, and a growing gang war.

Matabar 4 continues Kirill Klevanski’s progression fantasy about the last survivor of a tribe of mountain hunters and his development as a wizard. Readers of the earlier volumes return to the Metropolis, capital of the Empire of the New Monarchy, for more of Ard’s education and the dangers surrounding it. The ebook arrives October 14.

The System Seas by R.C. Joshua

Release Date: October 13, 2026

Marco has spent his childhood preparing to become a captain. When the system finally assigns his class, he gets Gluttonous Marauder, a combination of abilities that could make him a formidable sailor and shipwright. It also gets him arrested before his career has properly begun.

After escaping in a smuggler’s dinghy, Marco has to build a crew and improve his vessel while keeping ahead of bounty hunters. R.C. Joshua’s new LitRPG series takes its progression to an ocean filled with cursed dungeons, where upgrading the ship is part of staying alive. The ebook and Eric Jason Martin’s audiobook release October 13.

Roverpowered 6 by Drew Hayes

Release Date: October 14, 2026

Wanda and her dog familiar, Wumble, have escaped Kalamaz and boarded the Ursender. A quiet journey would be welcome, but a swarm of airborne occorites puts an end to that possibility. With few supplies and limited help, the group must find a way to reach safety.

The sixth Roverpowered novella continues Drew Hayes’ progression fantasy adventures with the alchemist and her unusually capable canine companion. This installment moves the danger out onto the water, turning their passage aboard the bearship into another survival problem. The ebook releases October 14, alongside an audiobook narrated by Amy Landon.

The Dancer and the Dream Thief by Rowenna Miller

Release Date: October 13, 2026

Evelyn Pulaski earns her living at the Palace Ballroom, where customers pay for dances. When dance-hall girls start disappearing, suspicion falls on the elfin bootleggers operating in Hebron Falls. Then Evelyn’s best friend vanishes, giving her a personal reason to investigate.

Her search brings her into an uneasy alliance with Raife, who steals human dreams and sells them in the elfin lands. Rowenna Miller’s standalone historical fantasy mixes the dance halls and bootlegging of the Prohibition era with a trade in something far stranger than alcohol. The paperback is out October 13.

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