In a writing career that spanned more than 50 years, Agatha Christie penned 79 mystery novels which have sold more than a billion English language copies and another billion in 45 other languages.

PriceGrabberMiss Marple investigates the poisoning of a famous actress' biggest fan and soon comes to the conclusion that the poison was intended for someone else. This 1962 novel is based loosely on an incident in the life of actress Gene Tierney.

PriceGrabberWhen secretary Sheila Webb finds her new employer dead in the parlor, surrounded by five clocks, all set to the incorrect time, detective Hercule Poirot is called to the scene. Before he arrives, four of the clocks go missing, creating one of the most baffling cases of his career.

PriceGrabberMany consider this the best of Christie's Hercule Poirot novels. The widowed Mrs. Ferrars tells Roger Ackroyd a secret reason that she cannot marry him and shortly thereafter dies, leaving Poirot with a puzzling case.

PriceGrabberThe body of a beautiful blonde is found in the library of Gossington Hall and Mrs. Dolly Bantry calls Miss Marple to investigate. Miss Marple tries to set a clever trap to catch the killer.

PriceGrabberWhen the wealthy patriarch of the Leonides household dies, suspicion falls on every member of the three generations living in the house. A fiance of one of the granddaughters tries to help solve the crime, with an ending that many believe is one of Christie's best.

PriceGrabberJacko Argyle dies in prison, claiming his innocence, six months after being convicted of killing his mother with a fire poker. Two years later a witness comes forward who confirms Jacko's story and clearing him of the crime, leaving suspicion to fall on the rest of the family.

PriceGrabberTommy and Tuppence Beresford look into the case of a woman who disappeared with sensitive government documents and has been missing for five years. Her trail leads them into a complicated web of mystery and intrigue.

PriceGrabberMichael Rogers believe his dreams have come true when he marries a wealthy heiress, until they begin to build a house on a tract of land the locals believe is cursed. This gothic tale of suspense is believed to be a personal favorite of the author, Agatha Christie.

PriceGrabberAgatha Christie wrote this novel in 1968 in response to readers asking her what happened to Tommyy and Tuppence Beresford. The result is a mystery that some say is one of her most chilling, but others believe is one of her worse efforts.

PriceGrabberAs Miss Marple vacations in the West Indies, a guest starts to show her a photograph of a murdered, but abruptly stops when four other guests approach. The next day he is found dead, supposedly of a heart attack. Miss Marple thinks differently.