The Fires of December Signed: A Cosmere Novel by Brandon Sanderson (Preorder)

Release date: December 8th, 2026

SIGNED From #1 New York Times bestselling author Brandon Sanderson - creator of The Stormlight Archive, the Mistborn saga, and countless bestselling works of science fiction and fantasy - comes a new standalone novel set in his Cosmere universe.

In the next Cosmere standalone novel, Hoid has an epic tale to share: In a forgotten land sustained by colorful rivers of demon blood, a young woman named December learns a devastating plague is on its way. But who will believe her? Against impossible odds, she sets sail up the River Violet to warn the king's court, determination - and wisdom beyond her years - burning in her eyes. With a chatty priestess and a fledgling fashion designer at her side, she must navigate incredulous royal officials,twisted court intrigue, and a roguish count who might hold the key to her quest - and her heart.