Award-winning author Simon Morden joins Gollancz with a stunning SF quest across a vast world that mirrors every London ever built.

Instead of fire, there was water.

A wave slapped through the open doorway, and a gust of wind blew into the smoke-filled corridor, dragging a spiral of soot outwards and away.

MARY. One slip away from prison, fighting to build herself a future from nothing.

DALIP. The gentle son of a warrior tradition. A young man who must fight for independence from his family.

STANISLAV. A fierce and capable man carrying the wounds of a brutal war.

They left London in flames for a place where everything was different. A place that can uncover your secrets.

A place haunted by a man called Crows . . .