And Then There Were None is a great mystery book.
Please start to read it and then you'll be hooked.

And Then There Were None provides a solidly constructed and excellently paced mystery. I was hooked from the very beginning by the heavily layered suspense and intrigue; it's like the story just reached out and grabbed me! The closed island setting and the constant threat of murder work perfectly to create a suspenseful and eerie atmosphere. Giving them distinct personalities and motivations, Christie masterfully crafts the ten characters in this novel. All ten characters have secrets from their past (what connection do these secrets hold?), making then suspicious yet sympathetic figures. (That sinister nursery rhyme.... *cringe*