Urtain Poirot's Last Ase by Agatha Christie in Paperback

 

As Hercule Poirot, who is confined to a wheelchair, revisits Styles, the location of his first case, he knows that yet another murder is soon to occur. Styles' house guests appear genial to Captain Hastings, including his daughter Judith, ornithologist Norton, socialite Mr Allerton, Miss Cole, Doctor Franklin and his delicate wife Barbara, Nurse Craven, Colonel Luttrell, his charming wife, Daisy, and the captivating Boyd-Carrington. So, it comes as a shock to Hastings when Poirot reveals that one of them is actually a five-time murderer. Despite his physical limitations due to arthritis, Hastings wonders if Poirot's deductive abilities have finally abandoned him.