CHAPTER I. The Social Gangster
CHAPTER II. The Cabaret Rouge
CHAPTER III. The Fox Hunt
CHAPTER IV. The Tango Thief
CHAPTER V. The "ThÉ Dansant"
CHAPTER VI. The Serum Diagnosis
CHAPTER VII. The Diamond Queen
CHAPTER VIII. The Anesthetic Vaporizer
CHAPTER IX. The Twilight Sleep
CHAPTER X. The Sixth Sense
CHAPTER XI. The Infernal Machines
CHAPTER XII. The Submarine Bell
CHAPTER XIII. The Super-Toxin
CHAPTER XIV. The Secret Agents
CHAPTER XV. The Germ of Anthrax
CHAPTER XVI. The Sleepmaker
CHAPTER XVII. The Inter-Urban Handicap
CHAPTER XVIII. The Toxin of Fatigue
CHAPTER XIX. The X-Ray Detective
CHAPTER XX. The Mechanical Connoisseur
CHAPTER XXI. The Radiograph Witness
CHAPTER XXII. The Absolute Zero
CHAPTER XXIII. The Vacuum Bottle
CHAPTER XXIV. The Solar Plexus
CHAPTER XXV. The Demon Engine
CHAPTER XXVI. The Electrolysis Clew
CHAPTER XXVII. The Perpetual Motion Machine
CHAPTER XXVIII. The Cancer House
CHAPTER XXIX. The Quack Doctors
CHAPTER XXX. The Filterable Virus
CHAPTER XXXI. The Voodoo Mystery
CHAPTER XXXII. The Fluoriscine Test
CHAPTER XXXIII. The Respiration Calorimeter
CHAPTER XXXIV. The Evil Eye
CHAPTER XXXV. The Buried Treasure
CHAPTER XXXVI. The Weed of Madness