Death in the CloudsA woman is killed by a poisoned dart in the enclosed confines of a commercial passenger plane From seat No. 9, Hercule Poirot was ideally placed to observe his fellow air passengers. Over to his right sat a pretty young woman, clearly infatuated with the man opposite; ahead, in seat No. 13, sat a Countess with a poorly concealed cocaine habit; across the gangway, in seat No. 8, a detective writer was being troubled by an aggressive wasp. What Poirot