I have read every Agatha Christie book ever in print..and Conan Doyle for that matter more than once , so you're quite correct...
I've read a lot of them but not sure I have read all of them. "Ten Little Indians" and "Murder in the Calais Coach" were two of my favorites.
which was called ''murder on the Orient Express here''... and 10 little Indians original title I can't tell you or I'll be banned from the forum but started with N and ended in S... then became 10 little Indians, and then later became ''and then there were none''
Imagine that you are trapped inside a windowless building with nothing but a box of matches, 3 candles and a ceramic mug. The flood waters are rising and are currently up to your neck. The door is hopelessly locked and there is no one within 500 miles of you. How can you get out of this situation?