Agatha Christie’s most famous murder mystery reissued with a new cover to tie in with the hugely anticipated 2017 film adaptationJust after midnight a snowdrift stops the Orient Express in its tracks The luxurious train is surprisingly full for the time of the year but by the morning it is one passenger fewer An American tycoon lies dead in his compartment stabbed a dozen times his door locked from the insideIsolated and with a killer in their midst 