""The Mysterious Affair at Styles"" is a detective novel written by Agatha Christie, first published in 1920. It is the first novel to feature Christie's famous detective, Hercule Poirot. The story takes place in the English countryside at Styles Court, where wealthy widow Emily Inglethorp resides with her new husband, Alfred. When Emily is found poisoned in her bedroom, suspicion falls on her family members and staff. Poirot, who happens to be a guest at the estate, is called in to investigate the murder. With his sharp mind and attention to detail, Poirot uncovers a web of secrets, lies, and motives among the suspects. The novel is a classic whodunit mystery that keeps readers guessing until the very end.First Poirot Case.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.