Preface I The Crime II Speculations III At the Vale IV The Missing Letter V A Mysterious Visit VI At Leveson Square VII Valuable Information VIII Enter Mr. Allery IX A Confession X The Portrait XI An Apparition XII What Happened in the Night XIII The Car in the Dark XIV Back in London XV The Crisis XVI The Criminal Found XVII The Wrong Letter I can say with all sincerity, nay with all solemn responsibility, that this detective mystery deceived me. And as I have been looking out for a long time for a detective mystery that should be at least deceptive, whatever its other merits or demerits in being detective, I very willingly write a word to serve a…
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