E-book exclusive extras:1) Christie biographer Charles Osborne's essay on The Mirror Crack'd from Side to Side;2) "The Marples": the complete guide to all the cases of crime literature's foremost female detective.The quaint village of St Mary Mead has been glamourized by the presence of screen queen Marina Gregg, who has taken up residence in preparation for her comeback. But when a local fan is poisoned, Marina finds herself starring in a real-life mystery—supported with scene-stealing aplomb b…Show more