And Then There Were None is a famous mystery book by Agatha Christie. It was first published in 1939. It is sometimes called Ten Little Indians. It has none of Agatha's famous detectives, Miss Marple or Hercule Poirot, but it still has two detectives: Sir Legge and Inspector Maine. The book is about 10 people who come to an island. One by one, they all get murdered. The characters in the book try to find out who the murderer is. When they all die, Sir Legge and Inspector Maine investigate the murders. The book is still very popular today. It includes 10 main characters: Wargrave, Vera, Lombard, Macarthur, Mr. Rogers, Mrs. Rogers, Marston, Blore, Emily Brent, and Dr. Armstrong.