In this official edition featuring exclusive content from the Queen of Mystery, Hercule Poirot gets caught up in an international scheme. Now with abeautifulnew series look.

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 global conspiracy, risking his lifeand that of his twin brotherto uncover the truth.