Alphabetical Murders. The Silent Witness. The Corpse in the Library. The Murder of Roger Ackroyd (Set of 4 Books)

«Alphabetical Murders»
There are 26 letters in the English alphabet. In the signature of the criminal, who started a game with Hercule Poirot using letters, there are only three letters: A, B, and C. He plans to commit murders in places... whose names are arranged in alphabetical order. Poirot's task is to decipher the killer's intentions and prevent him from committing the planned 26 crimes.
 
«The Silent Witness»
When Lady Arandell unexpectedly fell down the stairs of her own house, everyone around saw it as just an unfortunate accident – after all, she stepped on a rubber ball left there by her pet, a fox terrier named Bob. But the more the victim thought about it, the more it seemed to her that the fall had been arranged by one of her relatives. She wrote a letter to the famous detective Hercule Poirot, asking him to investigate the case. But by the time the letter reached its destination, Lady Arandell had already died, and her substantial inheritance had passed to her companion. Poirot cannot bring the unfortunate lady back to life, but he can find the killer. And he will be helped by the very dog named Bob…
 
«The Corpse in the Library»
Everything was wonderful when Dolly Bantry woke up at home in the quiet village of St. Mary Mead. Wonderful – until a body of a young girl was discovered in the room where the family library was located. According to the doctor, she had been strangled the night before before midnight. Yet nobody in the house knew this attractive blonde. So who is she, and who could have killed her? Suspicion immediately fell on Dolly's husband, a retired colonel with a reputation as a womanizer. He swears he has never seen this girl in his life. But how did she end up in his library? Then Dolly calls for her longtime friend Miss Marple to find the real killer – or uncover the terrible truth about her husband…
 
«The Murder of Roger Ackroyd»
At first, the murder of Esquire Roger Ackroyd did not seem mysterious to the police – everything pointed to the guilt of the victim's stepson. But Hercule Poirot, who had recently moved to the area to once again seek retirement, thinks otherwise. He was asked to help by Ackroyd's niece, who does not believe in the young man's guilt. And Hercule Poirot begins the investigation, surrounded by many suspects – relatives and acquaintances of the esquire, each of whom had a motive for his death. The narrative is told from the point of view of Dr. Shepard, the last person to see Ackroyd alive. With the help of his notes, Poirot will have to identify the cunning criminal…