[CHAPTER III. THE WRECKERS' LAMP]

[CHAPTER IV. EXPLORING THE CAVE]

[CHAPTER V. EXPLORING THE OLD HOUSE]

[CHAPTER VI. AN AMAZING DISCOVERY]

[CHAPTER VII. DUKE'S BEACON]

[CHAPTER VIII. THE MYSTERY OF THE CAVE]

[CHAPTER IX. A WAY OUT]

[CHAPTER X. NOEL GUARDS THE SECRET]

[CHAPTER XI. NO COWARD AFTER ALL]

THE WIZARD'S CAVE