Murder of a Lady

Set in the Scottish Highlands, a “cunningly concocted locked-room mystery” from the Golden Age of detective fiction ( Booklist , starred review). Duchlan Castle is a gloomy, forbidding place. It is there that the body of Mary Gregor, sister of the laird of Duchlan, is found late one night. She’s been stabbed to death in her bedroom—but the room is locked from within and the windows are barred. The only tiny clue to the culprit is a silver fish’s scale, left on the floor next to Mary’s body. Insp