night of Emily's fall, though in a mirror; the brooch's initials were reversed from that of "AT" – Arabella Tanios. The arsenic was stolen by Theresa, who intended to use it, but could not bear to do so in the end. A small sum of cash that went missing was later discovered to have been stolen by Charles; he knew his aunt had changed her will before her death. Knowing Emily wished for no scandal, Poirot honours this, while Lawson decides to share her inheritance with Theresa, Charles, and Bella's children. Meanwhile, Poirot and Hastings find themselves returning home with Bob joining them. Characters Hercule Poirot: the renowned Belgian detective who solves the case. Captain Arthur Hastings: narrator, a friend of Poirot and Bob the fox terrier. Emily Arundell: wealthy older woman who never married, owner of Little Green House; last survivor of five siblings, Matilda, Emily, Arabella, Thomas, and Agnes. She was murdered by poison. Theresa Arundell: fashionable, attractive niece of Emily Arundell, not yet 30 years old; spent the capital she inherited at age 21 from her father; engaged to ambitious young doctor. Dr Rex Donaldson: Theresa's fiancé, and younger partner to Dr. Grainger. Charles Arundell: nephew of Emily Arundell and brother to Theresa, in his early thirties; son of Thomas Arundell and widowed Mrs Varley. He also spent the capital of his inheritance from his father, and settled in British Columbia, Canada. Bella Tanios: niece of Emily Arundell, cousin to Charles and Theresa; plain looking daughter of Arabella Arundell and Professor Biggs, who taught chemistry at an English university. Dr Jacob Tanios: Bella's husband, of Greek descent, a physician practicing in Smyrna. Edward Tanios: young son of Bella and Jacob. Mary Tanios: young daughter of Bella and Jacob, about 7 years old. Ellen: long time member of Emily Arundell's household staff. Wilhelmina (Minnie) Lawson: Emily Arundell's companion for the last year, and in her final will, sole heiress. Isabel and Julia Tripp: two eccentric sisters and amateur spiritualists who share a home near Little Green House. Dr Grainger: physician to Emily Arundell; in Market Basing since 1919. Miss Peabody: long time resident of village and friend of Emily Arundell, she knew all the Arundell siblings and shared her knowledge with Poirot. Bob: fox terrier belonging to Emily Arundell and the titular dumb witness. Literary significance and reception John Davy Hayward in the Times Literary Supplement (10 July