The metropolis of New Crobuzon sprawls at the center of the world. Humans and mutants and arcane races brood in the gloom beneath its chimneys, where the river is sluggish with unnatural effluent and foundries pound into the night. For a thousand years, the Parliament and its brutal militias have ruled over a vast economy of workers and artists, spies and soldiers, magicians, crooks, and junkies. Now a stranger has arrived, with a pocketful of gold and an impossible demand. And something unthinkable is released.

The year is 2380. The Intersolar Commonwealth, a sphere of stars some 400 light-years in diameter, contains more than 600 worlds, interconnected by a web of transport "tunnels" known as wormholes. At the farthest edge of the Commonwealth, astronomer Dudley Bose observes the impossible: Over 1,000 light-years away, a star...vanishes. It does not go supernova. It does not collapse into a black hole. It simply disappears.

Bryn’s earliest memory is of watching duels in the arena. His earliest dream is of taking his place there. Amero dal Moreno has no dreams. His life has been about fulfilling the expectations of others. In search of a path of his own, the dreams of others are too tempting to resist. After years of sacrifice and hard work, Bryn Pendollo is finally a professional duellist. Becoming the First Blade of Ostia no longer seems the childish fantasy it once did. To find the man standing in his way is also his best friend will test him in ways he would never have believed.

When a murdered woman is found in the city of Beszel, somewhere at the edge of Europe, it looks to be a routine case for Inspector Tyador Borl ú of the Extreme Crime Squad. But as he investigates, the evidence points to conspiracies far stranger and more deadly than anything he could have imagined. Borl must travel from the decaying Beszel to the only metropolis on Earth as strange as his own.

Montserrat has always been overlooked. She’s a talented sound editor, but she’s left out of the boys’ club running the film industry in ’90s Mexico City. And she’s all but invisible to her best friend, Tristán, a charming if faded soap opera star, though she’s been in love with him since childhood. Then Tristán discovers his new neighbor is the cult horror director Abel Urueta, and the legendary auteur claims he can change their lives—even if his tale of a Nazi occultist imbuing magic into highly volatile silver nitrate stock sounds like sheer fantasy.