Lethal White

When Billy, a troubled young man, comes to private eye Cormoran Strike's office to ask for his help investigating a crime he thinks he witnessed as a child, Strike is left deeply unsettled. Trying to get to the bottom of Billy's story, Strike and his partner Robin Ellacott, set off on a twisting trail that leads into a secretive inner sanctum within Parliament, and to a beautiful but sinister manor house deep in the countryside. Book 4 of the series.