A murder in a locked room. Whodunit? And more importantly, howdunit? Who would want to kill philanthropist, union organizer, and general do-gooder Arthur Constant? And why? Arthur Constant rents rooms from Mrs. Drabdump in Bow, in London’s East End. Zangwill sets the scene with that essential ingredient of a London mystery—fog: On a memorable morning of early December London opened…
