"It's Hallowe'en! It's Hallowe'en! The moon is full and bright! And we shall see what can't be seen on any other night!" Which in a Christie novel means a child murder, lots of velvet trousers, an extended argument between M. Poirot and Mrs. Oliver about form versus function, and an unexpected nod toward the holiday's pagan origins. And SO much more. Come celebrate this spookiest of holidays with us... IF YOU DARE.