Lord Edgware Dies, also known as Thirteen at Dinner, is a 1933 murder mystery by Agatha Christie.
Warning: Wikipedia contains spoilers.
In this book, Jane Wilkinson, an actress, is suspected of murdering her husband, the fourth Baron Edgware, so that she can marry another man. At the time of his murder, she is attending a dinner party with friends, but a witness places her at the scene of the crime.
One movie, Lord Edgware Dies (1934) and two television movies (in 1985 and 2000) have been made from this book.
