Mystery at Olympia

<p>The next time you visit Olympia take a good look around and see if you think it would be possible to murder someone in the middle of the crowd there without being seen...</p><p>The new Comet was fully expected to be the sensation of the annual Motor Show at Olympia. Suddenly in the middle of the dense crowd of eager spectators an elderly man lurched forward and collapsed in a dead faint. But Nahum Pershore had not fainted. He was dead and it was his death that was to provide the real sensation of the show.</p><p>A post-mortem revealed no visible wound no serious organic disorder no evidence of poison. Doctors and detectives were equally baffled and the more they investigated the more insoluble the puzzle became. Even Dr Lancelot Priestley's unrivalled powers of deduction were struggling to solve this case.</p>