CONTENTS
[I A Scrap of Paper]
[II A Spy In Town]
[III Queer Repairs]
[IV Searching For Smugglers]
[V The Raid]
[VI The Appeal To Tom]
[VII A Searchlight Is Needed]
[VIII Tom's Newest Invention]
[IX "Beware Of the Comet!"]
[X Off For the Border]
[XI Andy's New Airship]
[XII Warned Away]
[XIII Koku Saves the Light]
[XIV A False Clew]
[XV The Rescue On the Lake]
[XVI Koku's Prisoner]
[XVII What the Indian Saw]
[XVIII The Pursuit]
[XIX In Dire Peril]
[XX Suspicious Actions]
[XXI Mr. Period Arrives]
[XXII Hovering O'er the Border]
[XXIII Ned Is Missing]
[XXIV The Night Race]
[XXV The Capture--Conclusion]