The Big Four (Poirot)

Framed in the doorway of Poirots bedroom stood an uninvited guest, coated from head to foot in dust. The mans gaunt face stared for a moment, then he swayed and fell. Who was he? Was he suffering from shock or just exhaustion? Above all, what was the is Softcover. English. Fontana. 1984. ISBN: 9780006169185. 224 pp. Fair/good. Book No: 63635