Parker Pyne is traveling incognito under the name of Mr. Thompson. In Delphi, he learns that someone calling himself Parker Pyne is being consulted by Mrs. Peters, who refers to him as "the good gentleman." But who is this imposter, and what does he want with Mrs. Peters?
Agatha Christie is the most widely published author of all time, outsold only by the Bible and Shakespeare. Her books have sold more than a billion copies in English and another billion in a hundred foreign languages. She died in 1976, after a prolific career spanning six decades.