Framed in the doorway of Hercule Poirots bedroom stands an uninvited guest, coated from head to foot in dust. The man stares for a moment, then he sways and falls.
Who is he? Is he suffering from shock or just exhaustion? Above all, what is the significance of the figure 4, scribbled over and over again on a sheet of paper? Poirot finds himself plunged into a world of international intrigue, risking his lifeand that of his twin brotherto uncover the truth.
About the Author
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. Sophie Hannah is the internationally bestselling author of nine psychological thrillers, which have been published in more than 20 countries and adapted for television. Sophie is an Honorary Fellow of Lucy Cavendish College, Cambridge, and as a poet has been shortlisted for the TS Eliot Prize.
“It is always a delight to meet Hercule Poirot again. He is one of the few detectives with real charm.”
-Dorothy L. Sayers
“The acknowledged queen of detective fiction.”
-The Observer (UK)