I would say 'The Murder of Roger Ackroyd'. It is famous for its unexpected twist ending. Hercule Poirot investigates the murder of Roger Ackroyd. Christie's use of the unreliable narrator and the cleverly concealed identity of the killer make this novel a standout in her oeuvre.
It's hard to say which one is the most famous as different people might have different opinions. But 'Murder on the Orient Express' is extremely well - known. It has been adapted into multiple movies and has a really engaging plot with a unique solution to the murder mystery.
'And Then There Were None' is also extremely well - known. It has a very unique and chilling plot where ten strangers are lured to an island and are killed off one by one. It's full of suspense and Christie's masterful plot twists.
Agatha Christie's most famous novel was Murder on the Oriental Express. This novel was published in 1950 and was one of Agatha Christie's masterpieces. It was about a murder on the European Oriental Express and was one of the classics of mystery novels. In addition, Agatha Christie's other masterpieces include "The Massacre on the Nile,""Sin under the Sun,""The Mystery of the Murder on the Oriental Express," and so on.
Some of the most famous Agatha Christie novels are 'Murder on the Orient Express'. It's a classic mystery set on a train where a murder occurs, and detective Hercule Poirot has to solve it. Another is 'And Then There Were None', a chilling tale where ten people are invited to an island and are killed off one by one. 'The ABC Murders' is also well - known, with a serial killer leaving clues in alphabetical order.
However, 'And Then There Were None' is also a strong contender. It has sold millions of copies worldwide and is known for its unique and chilling plot. It has also been adapted many times, reaching a large audience.
One of her most famous novels is 'Murder on the Orient Express'. It features a complex mystery set on a train where a murder occurs, and Hercule Poirot has to solve it. The intricate plot and the diverse cast of characters make it a classic.
One of the most famous is Hercule Poirot. He is a brilliant Belgian detective with his unique little grey cells that help him solve the most complex cases. Another well - known character is Miss Marple, an elderly spinster who has a remarkable understanding of human nature and uses it to solve mysteries in her village and beyond.
Another well - known one is 'And Then There Were None'. Ten people are lured to an island and start getting killed one by one in a very mysterious way. It keeps you on the edge of your seat as you try to figure out who the killer is.
Some of the well - known ones are 'The Adventure of the Christmas Pudding' and 'Witness for the Prosecution'. These stories often feature her signature mystery elements and complex characters.
One of the most famous is 'And Then There Were None'. It's renowned for its unique and tense plot. Ten people are lured to an island, and they are all being punished for past crimes in a deadly game of elimination.