TABLE OF CONTENTS:CHAPTER I-THE ETERNAL CURIOUSCHAPTER II-THE LITERATURE OF MYSTERYCHAPTER III-THE HISTORY OF MYSTERYCHAPTER IV-GHOST STORIESCHAPTER V-RIDDLE STORIESCHAPTER VI-DETECTIVE STORIESCHAPTER VII-THE DETECTIVECHAPTER VIII-DEDUCTIONCHAPTER IX-APPLIED PRINCIPLESCHAPTER X-THE RATIONALE OF RATIOCINATIONCHAPTER XI-CLOSE OBSERVATIONCHAPTER XII-OTHER DETECTIVES OF FICTIONCHAPTER XIII-PORTRAITSCHAPTER XIV-DEVIOUS DEVICESCHAPTER XV-FOOTPRINTS AND FINGERPRINTSCHAPTER XVI-MORE DEVICESCHAPTER XVII-FAKE DEVICESCHAPTER XV-MURDER IN GENERALCHAPTER XIX-PERSONS IN THE STORYCHAPTER XX-THE HANDLING OF THE CRIMECHAPTER XXI-THE MOTIVECHAPTER XXII-EVIDENCECHAPTER XXIII-STRUCTURECHAPTER XXIV-PLOTSCHAPTER XXV-FURTHER ADVICESCHAPTER XXVI-FINAL ADVICES