A terrifying new serial-killer thriller featuring Carson Ryder hero of the bestselling The Hundredth Man. Thirty years after his death Marsden Hexcamps Art of the Final Moment remains as sought after as ever. But this is no ordinary collection. Hexcamps portfolio was completed with the aid of a devoted band of acolytes -- & half a dozen victims each of whom was slowly tortured to death so that their final agonies could be distilled into art. When tiny scraps of Hexcamps art begin appearing at murder scenes alongside gruesomely displayed corpses Detective Carson Ryder & his partner Harry Nautilus must go back three decades in search of answers. Meanwhile an auction has been announced & the death collectors are gathering. These wealthy connoisseurs of serial-killer memorabilia will pay millions to acquire Hexcamps art -- unless Carson & Harry can beat them in their quest for the anti-grail.