Ghost proves to be a somnambulist. The harp proves to be an ingeniously designed instrument of administering poison. The flimsiest tale in the collection. Murder proves to be an accidental death from an outrageous coincidence of the axe falling from its mounting on the wall. Outrageous solution involves a human impersonation of the statue by the artist's model.
Valuable diamond disappears in seconds when the lights go out in a room.
Straightforward detection story with solution hinging on reason the culprit would chop off heads of only mummies. Only story in which Klaw is in danger. Nicely done until the solution which even for 1920 is rather cliche. It is probably no surprise to Rohmer fans that he chose his true occult tale in this collection to be yet another one dealing with ancient Egypt. An Egyptian scholar recruits his sister to help him in the recreation of an ancient ritual that will summon the goddess Isis.