In "The Big Four", Agatha Christie gave him a mysterious "twin brother" named Achille
... 
which finally lead to the arrival of Poirot's twin brother, Achilles, and Poirot's ... 
and makes true mystery fans cringe to have the Christie name  and... [DOC] [TLE] Free Flashcards about AUTHORS - StudyStack [PAR] IN "THE BIG FOUR", AGATHA CHRISTIE GAVE HIM A MYSTERIOUS "TWIN 
BROTHER" NAMED ACHILLE, HERCULE POIROT ...