The murder of roger ackroyd.

The peaceful English village of King’s Abbot is stunned. The widow Ferrars dies from an overdose of Veronal. Not twenty-four hours later, Roger Ackroyd—the man she had planned to marry—is murdered. It is a baffling case involving blackmail and death that taxes Hercule Poirot’s “little grey cells” before he reaches one of the most startling conclusions of his career.