This was my very first venture into the world of Agatha Christie. I decided to read all of her books in the order they were published, instead of starting with the most known ones.The Mysterious Affair at Styles introduces recurring characters Mr Hastings and Monsieur Poirot. Mr Hastings is staying with a friend of his at Styles, where during his stay suddenly the elderly step-mother gets murdered. He turns to retired detective Poirot for help. One in the household is a murderer, but who?Agata Christie's book is very accessible. Books that are written more than fifty years ago can be sometimes hard to read, filled with archaic words that are hard to decipher for a foreigner like me. I was glad to find out this wasn't the case - The Mysterious Affair at Styles was an easy and quick read. With its historical setting this is a cozy read. There are no gruesome details, there is no explicit violence. The murderer doesn't get chased but is unmasked by sheer intelligence. Not only does this make it readable for a younger audience, but sometimes for adults it's nice to have a break from all the violence and sex of contemporary books. This would be a perfect read for a gloomy winter's day.I had no idea who the murderer was until everything got revealed. At some point in the story I kind of suspected everyone. I love how Ms Christie makes sure you don't exclude anyone from suspicion. Poirot was a slightly arrogant but funny little Belgian fellow, that made me think of Sherlock Holmes with a strange moustache. I'm looking forward to read more Agatha Christie books. I very much enjoyed this one!