Since the publication of her first novel in 1920, more than two billion copies of Agatha Christie's books have been sold around the globe. Now, for the first time ever, the guardians of her legacy have approved a brand-new novel featuring Dame Agatha's most beloved creation, Hercule Poirot. Internationally bestselling author Sophie Hannah breathes new life into the incomparable detective. In this thrilling tale, Poirot plunges into a mystery set in 1920s London—a diabolically clever puzzle that will test his brilliant skills and baffle and delight longtime Christie fans and new generations of readers discovering him for the first time. Authorized by Christie's family, and featuring the most iconic detective of all time, this instant Christie classic is sure to be celebrated by mystery lovers the world over. Book Description "Equal parts charming and ingenious, dark and quirky and utterly engaging. Reading The Monogram Murders was like returning to a favorite room of a long-lost home" -Gillian Flynn, #1 New York Times bestselling author of Gone Girl "Perfect... a pure treat." -Tana French, New York Times bestselling author of The Secret Place "As tricky as anything written by Agatha Christie. The Monogram Murders has a life and freshness of its own. Poirot is still Poirot. Poirot is back." -The New York Times Book Review "Christie herself, some might say, could do no better . . . . Enough twists, turns, revelations and suspects to cook up a most satisfying red-herring stew. Literary magic." -The Washington Post "Terrific . . . . uncanny. As Hercule Poirot himself would say, 'Bravo, Madame Hannah. Bravo.' " -The Boston Globe NEW YORK TIMES BESTSELLER Since the publication of her first novel in 1920, more than two billion copies of Agatha Christie’s books have been sold around the globe. Now, for the first time ever, the guardians of her legacy have approved a brand new novel featuring Dame Agatha’s most beloved creation, Hercule Poirot. ‘I’m a dead woman, or I shall be soon…’ Hercule Poirot's quiet supper in a London coffeehouse is interrupted when a young woman confides to him that she is about to be murdered.  She is terrified – but begs Poirot not to find and punish her killer. Once she is dead, she insists, justice will have been done. Later that night, Poirot learns that three guests at a fashionable London Hotel have been murdered, and a cufflink has been placed in each one’s mouth. Could there be a connection with the frightened woman? While Poirot struggles to put together the bizarre pieces of the puzzle, the murderer prepares another hotel bedroom for a fourth victim...