Agatha Christie's And Then There Were None: An Analysis I recently read And Then There Were None by Agatha Christie. The book was about ten people chosen to go on an Island vacation. Their host (or hostess) is unknown. AKA U.N. Owen. One by one the guests die off in cordanance with the poem about the ten little Indians. After searching the Island from top to bottom and finding nothing, they come to the conclusion that it must be one of them, but who!? And why!? In my opinion, the killer was Dr. Armstrong. The first two murders were dead giveaways (no pun intended). After Anthony Marston was poisoned, i