And Then There Were None
Ten strangers are lured to an isolated island, each accused of a past murder — and then, one by one, they begin to die. With no detective, no escape, and a killer among them, Christie constructs the most ingenious closed-circle mystery ever devised.
It's the best-selling mystery novel of all time for a reason: the solution is so audacious that Christie had to append an explanation, and readers have been trying to outguess it for over eighty years.