<p>"You see," Miss Kayne said, "I committed a murder once myself."<br>Miss Kayne's proud boast to Detective-Sergeant Bobby Owen is that she has committed the Perfect Murder - a crime with no clues. Bobby thinks at first it is a macabre joke, but before long a body is reportedly found, stabbed in the world-famous Kayne Library. When Bobby gets to the scene, the corpse has disappeared. But instead Miss Kayne's cousin, Nat, is found in a nearby coun...