A unique offering from the Queen of Crime This Agatha Christie Signature Edition features the hero the world-famous author was most fond of - Mr Harley Quin the enigmatic friend and counterpart of the rational Mr Satterthwaite So far it had been a typical New Years Eve house party But Mr Satterthwaite - a keen observer of human nature - sensed that the real drama of the evening was yet to unfold So it proved when a mysterious stranger arrived after midnight Who was this Mr Quin And why did his presence have such a pronounced effect on Eleanor Portal the woman with the dyed-black hair