ISABEL DALHOUSIE - Book 4Nothing captures the charm of Edinburgh like the bestselling Isabel Dalhousie series of novels featuring the insatiably curious philosopher and woman detective.  Whether investigating a case or a problem of philosophy, the indefatigable Isabel Dalhousie, one of fiction’s most richly developed amateur detectives, is always ready to pursue the answers to all of life’s questions, large and small.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.