Minimalism in fiction is rarely conjoined with outbursts of passionate lyricism, and still more rarely do novels about crime and detectives carry out a philosophical quest. Derek Raymond’s much-admired “Factory” novels are bold and intriguing hybrids: as with the two novels under review (first and fourth in the series of five all now published by Melville House), they are idiosyncratic police procedurals narrated by an unnamed Detective Sergeant of the London Metropolitan Police who so identifies with the victims of his investigations that he becomes involved in their (imagined) lives and is