So much had he become the rage that every rich woman who had mislaid a bracelet or lost a pet kitten rushed to secure the services of the great Hercule Poirot. My little friend was a strange mixture of Flemish thrift and artistic fervour. He accepted many cases in which he had little interest owing to the first instinct being predominant. He also undertook cases in which there was a little or no monetary reward sheerly because the problem involved interested him.