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What I like about Agatha Christie novels are that they are like slow poison , they work slowly taking their time and at their epitome they are too good to put down. And black coffee is exactly the same.
Sir Claud Amory has devised a new explosive which will take the world by storm. But to his dismay the formula is stolen by someone from his own house. And so Sir Claud calls upon the services of one Mr. Hercule Poirot to get his formula back before it reach in the wrong hands.
But Sir Claud is killed before Mr. Poirot can lend his help. And therefore Mr. Poirot is left with a murder and a theft to solve in a household which is a motley of bizarre people.
This book is a lighthearted and quick read.although it is difficult to hang to the story in the beginning but as it catches speed it‘s all fun.