Volume 46 in the Agatha Christie Collection
In appearance Hercule Poirot hardly resembled an ancient Greek hero. Yet, reasoned the detective, like Hercules he had been responsible for ridding society of some of its most unpleasant monsters.
So, in the period leading up to his retirement, Poirot made up his mind to accept just twelve more cases: his self-imposed labours. Each would go down in the annals of crime as a heroic feat of deduction.