CHAPTER I THE BREAKING UP

CHAPTER II TOWING

CHAPTER III WHERE IS THE COMET?

CHAPTER IV THE RACE

CHAPTER V BOB AND JACK RECEIVE SOME NEWS

CHAPTER VI UP A TREE

CHAPTER VII THE END OF THE TRAIL

CHAPTER VIII THE WOLF GHOST

CHAPTER IX HELD UP

CHAPTER X THE BOYS TO THE RESCUE

CHAPTER XI THE BROKEN BOOM

CHAPTER XII A TOUGH TASK

CHAPTER XIII A DIFFERENT KIND OF A RACE

CHAPTER XIV LOG ROLLING

Rex had some trouble at first in keeping his balance, but he was quick to catch on to the knack.