CONTENTS
CHAPTER I. INTO THE SIERRAS.
CHAPTER II. BETWEEN TWO FIRES.
CHAPTER III. IN A RUNAWAY AUTO.
CHAPTER IV. MOTOR RANGERS TO THE RESCUE.
CHAPTER V. AN APPOINTMENT ON THE TRAIL.
CHAPTER VI. SOME RASCALS GET A SCARE.
CHAPTER VII. A PHOTOGRAPHER IN TROUBLE.
CHAPTER VIII. LOST IN A PETRIFIED FOREST.
CHAPTER IX. THE MIDNIGHT ALARM.
CHAPTER X. ALONG THE TRAIL.
CHAPTER XI. TREED! TWO HUNDRED FEET UP.
CHAPTER XII. NAT'S LUCKY ESCAPE.
CHAPTER XIII. THE VOLLEY IN THE CANYON.
CHAPTER XIV. A "LOONITACKER" HORSE.
CHAPTER XV. THE MOTOR RANGER'S PERIL.
CHAPTER XVI. THE HORNS OF A DILEMMA.
CHAPTER XVII. IN COLONEL MORELLO'S FORTRESS.
CHAPTER XVIII. A RIDE FOR LIFE.
CHAPTER XIX. OUTWITTING HIS ENEMIES.
CHAPTER XX. HERR MULLER GETS A CHILLY BATH.
CHAPTER XXI. THE FIRE IN THE FOREST.
CHAPTER XXII. A DASH THROUGH THE FLAMES.
CHAPTER XXIII. THE HUT IN THE MOUNTAINS.
CHAPTER XXIV. FACING THEIR FOES.
CHAPTER XXV. THROUGH THE FLUME.
