A darkly thrilling new novel from master storyteller Chris Wooding, about a civilization plagued by chaos and reality-rearranging storms.

Orokos is a city of chaos, lashed by probability storms that re-order the world wherever they strike. It covers every inch of the rocky island that it dominates. It has stood for so long that history has forgotten it, and its citizens no longer question what exists beyond its walls. Then three of its denizens discover a map that holds the key to the secret at the heart of Orokos. But there are others, such as the Chief of the Protectorate Secret Police who would do anything to get their hands on that power...anything at all...