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CONTENTS
| CHAPTER | PAGE | |
| I | A Scrap of Paper | 1 |
| II | A Spy in Town | 12 |
| III | Queer Repairs | 23 |
| IV | Searching for Smugglers | 31 |
| V | The Raid | 41 |
| VI | The Appeal to Tom | 50 |
| VII | A Searchlight is Needed | 57 |
| VIII | Tom's Newest Invention | 67 |
| IX | "Beware of the Comet!" | 74 |
| X | Off for the Border | 87 |
| XI | Andy's New Airship | 95 |
| XII | Warned Away | 107 |
| XIII | Koku Saves the Light | 115 |
| XIV | A False Clew | 121 |
| XV | The Rescue on the Lake | 132 |
| XVI | Koku's Prisoner | 138 |
| XVII | What the Indian Saw | 147 |
| XVIII | The Pursuit | 157 |
| XIX | In Dire Peril | 163 |
| XX | Suspicious Actions | 169 |
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