In the fourth installment of this enchanting, beloved series, Isabel Dalhousie, who is now a mother, returns to investigate an irresistible puzzle in the art world.Isabel Dalhousie-the nosiest and most sympathetic philosopher you are likely to meet-now has a son, Charlie, whose doting father Jamie has an intriguing idea to pose to Isabel: marriage. But Isabel wonders if Jamie is too young to be serious? . . . . . . . .