[ CHAPTER XV. A NIGHT ADVENTURE ]
[ CHAPTER XVI. AN UNLIKELY STORY ]
[ CHAPTER XVII. THE DOCTOR IS CONVINCED ]
[ CHAPTER XVIII. STRUCK BY A COMET. ]
[ CHAPTER XIX. I DISCOVER THE SINGER. ]
[ CHAPTER XX. A WONDERFUL REVELATION. ]
[ CHAPTER XXI. A LITTLE ANCIENT HISTORY. ]
[ CHAPTER XXII. AGAIN THE MOON. ]