Four of Christie's magnificent stage dramas are compiled in this Large Print edition. The Mousetrap : The classic locked-room scenario: a snowed-in guest house, and one of the visitors has murderous intentions . . . The longest-running play in the history of London's West End., Four of Christie's magnificent stage dramas are compiled in this Large Print edition. "The Mousetrap" The classic locked-room scenario: a snowed-in guest house, and one of the visitors has murderous intentions . . . The longest-running play in the history of London's West End.