Miss Marple and Hercule Poirot both make appearances in Agatha Christies Double Sin and Other Stories, a sterling collection of short mystery fiction that offers double the suspense, surprise, and fun.In one of Londons most elegant shops, a decorative doll dressed in green velvet adopts some rather human, and rather sinister, traits.A country gentleman is questioned about a murder yet to be committed.While summoning spirits, a medium is drawn closer to the world of the dead than she ever dared imagine possible.In a small country church, a dying mans last word becomes both an elegy and a clue to a crime.These chilling stories, and more, cleverly wrought by master Agatha Christie and solved by the inimitable Hercule Poirot and Miss Jane Marple.