The world's most famous detective - and Agatha Christie's most famous creation - returns in this new novel from the New York Times bestselling author of The Monogram Murders: a diabolically clever mystery soaked in period atmosphere and loaded with clues, suspense, and danger.Praise for the New York Times bestseller THE MONOGRAM MURDERS: "I was thrilled to see Hercule Poirot in such very, very good hands." -Gillian Flynn"Perfect . . . a pure treat." -Tana French"As tricky as anything written by Agatha Christie." -Alexander McCall Smith"Terrific . . . uncanny. Bravo!" -The Boston Globe"Sharply written and rigorously plotted, this Poirot mystery rivals many of Christie's own." -NPR