MURDER MUST ADVERTISEDorothy L. SayresHarcourt, Brace ($2).
Rich Lord Peter Wimsey turns advertiser to solve a dubious death. He earns his four quid a week, writes many a jesting line ("The Skeleton in the Water-closet," "Snagsbury's Soups Are Best for the Troops"). The burlesqued but convincing description of an advertising agency is from first-hand knowledge; Author Dorothy Sayres has been a successful copywriter in a London agency. More than that, she is a member of London's famed Detection Club, an informal organization for promoting honesty and high literary standards in fictional...