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Locked-room mysteries
Back in the day, a ‘locked-room mystery’ meant exactly that – a murder behind not only closed, but locked doors, ostensibly impossible to commit, and thus a mechanical conundrum to unpick. Think Gaston Leroux’s Le mystère de la chambre jaune (1907), or even Arthur Conan Doyle’s personal favourite of all his Sherlock Holmes stories, ‘The Adventure...