Death In The Clouds

Airliner Prometheus departed from Le Bourget airdrome for Croydon. There were 11 passengers in the airliner including the famous Belgian detective M. Hercule Poirot.

Apparently all passengers were busy with their personal problems, only one person was thinking about a murder, because just few minutes before arriving at Croydon Madame Giselle was found dead by the head Stewart, Henry Mitchell. She was killed by a thorn dipped in a deadly poison and shot it from a blowpipe, used by the native Indians. Moreover the blowpipe was found from the seat no 9, pushed down out of sight behind the seat.

That particular seat was occupied by M. Hercule Poirot. That is why he was anxious to clear his character...