Charles Dickens's final, unfinished novel, and one that has puzzled readers and inspired writers since its publication, The Mystery of Edwin Drood is edited with an introduction by David Paroissien in Penguin Classics. Edwin Drood is contracted to marry orphan Rosa Bud when he comes of age, but when they find that duty has gradually replaced affection, they agree to break off the engagement. Shortly afterwards, in the middle of a storm on Christmas Eve, Edwin disappears, leaving nothing behind but some personal belongings and the suspicion that his jealous uncle John Jasper, madly in love...