A typical Agatha Christie novel - murder, suspects, hardly/no witnesses and of course genius in the form of Poirot. Murder of an adulterous husband whose both mistress and wife are part of the key suspects and a large group of party. Yep you've guessed it. It's much more complicated than that this being an Agatha Christie novel. As Poirot starts to unravel the mystery and characters we see a side to Christie's novels rarely seen before. Here, she sets out not just analysing motives of a murder but looking at the nature of victims and how they lead to such mistakes. It is therefore I think I great book to read that Christie doesn't justify anything but lays down possibilities more rigorously than ever. Recommended if you want a psychological mystery.