Agatha Christie, The A.B.C. Murders, The world Publishing Company, 1945. pp. 306.
1. Captain Arthur Hastings: Mr. Hastings was a friend and an accomplice to
Hercule Poirot in solving the case of the A.B.C. murders.
Hercule Poirot: He was the main detective and investigator in the A.B.C. murders. He is a very intelligent and intellectual person.
Mary Drower, Megan Banard, Donald Fraser, Franklin Clarke and Miss Grey: These were all close friends or family, and they were all suspects.
2. Captain Hastings and Hercule Poirot were sitting in their room when a
letter arrived. It stated that the its author was going to murder someone on the 21st of July in Andover. And it was signed "Yours, etc., A.B.C.". The two were very confused. When they reported it to the police, the officers said that they got messages like this every day and that it was probably a hoax. But Hercule Poirot wasn't so sure.
When the 21st arrived, Hercule Poirot was feeling edgy, but
Hastings reminded him that it was probably just a hoax. But later that night they received word that a woman, Mrs. Ascher, had been murdered in Andover. They quickly traveled there and went to her shop. They looked around and the only clue they could find was an A.B.C., or a Bradshaw railway guide. They figured that this just couldn't be coincidence.
The second letter came on the 24th of July. This next letter taunted Poirot and told him that the second murder was going to take place in Bexhill-on-Sea, the next day. Poirot and Hastings had a pretty good idea that the person to be killed would be one with the last name starting with "B," but they could not be sure.
In the morning they received a report that a murder took place at about midnight. The victim was Elizabeth Barnard. She had been killed on the beach and another A.B.C. was found near her. There had been no reports of her missing until the next morning. They now knew...