"He says it's something serious. Might be murder." When the well-dressed Mrs. Wilson came into his office, her business seemed simple enough-although a little odd and mysterious for a woman of her bearing. She wanted Travers to find a missing man, who used to do a second-rate Houdini act in music halls. If Travers found her man, he was not to contact Mrs. Wilson but to advertise his find in the European edition of the New York Times. As...