From true weird fiction visionary Jeff Noon comes the fourth book in this Philip K. Dick Award-nominated mystery series.

In the year 1960, private eye John Nyquist arrives in Delirium, a city of a million borders, to pursue his strangest case yet- tracking down the stolen sentient image of faded rock'n'roll star Vince Craven.

As Nyquist tracks Vince’s image through Delirium, crossinga series of ever-stranger and more surreal borderzones, he hears tantalisingstories of a First Border, Omata, hidden within the depths of the city. But to find it, he’ll have to cross into the fractured minds of Delirium’s residents, and even into his own…