CHAPTER I. June 12, 1914 CHAPTER II. Court Secrets CHAPTER III. The Habsburg Haven CHAPTER IV. Secret Information CHAPTER V. Two Intruders CHAPTER VI. Herr Windt CHAPTER VII. The Green Limousine CHAPTER VIII. An Escape and a Capture CHAPTER IX. Captain Goritz CHAPTER X. Diamond Cuts Diamond CHAPTER XI. The Man in Black CHAPTER XII. Flight CHAPTER XIII. Tragedy CHAPTER XIV. The Harim CHAPTER XV. The Lighted Windows CHAPTER XVI. The Beg of Rataj CHAPTER XVII. The Man in Armor CHAPTER XVIII. Number 28 CHAPTER XIX. Disguise CHAPTER XX. Renwick Questions CHAPTER XXI. An Impersonation CHAPTER XXII. The Needle in the Haystack CHAPTER XXIII. Schloss Szolnok CHAPTER XXIV. Prisoner and Captive CHAPTER XXV. The Rift in the Rock CHAPTER XXVI. The Death Grip CHAPTER XXVII. Besieged IN REGARD TO THE EVIDENCE IN THE CASE Books by George Gibbs