Petrella at Q Author:Michael Gilbert Promoted to Detective Inspector, Patrick Petrella now finds himself in a London borough close to the Thames. In these short stories he has to deal with arson, blackmail, fraud, forgery and murder. The Thames is a focus for some of the stories, as it is convenient for the dumping of a body and also for arrivals from abroad. Written with Michael G... more »ilbert's eye for detail and knowledge of police procedures, along with the suspense which is his hallmark, this is a fitting accompaniment to the stories contained in the other Petrella volumes.« less