Contents
[I A Man On The Roof]
[II Bad News]
[III Tom's Failure]
[IV Run Down]
[V Sharp Words]
[VI A Warning]
[VII Soft Words]
[VIII Tom Is Baffled]
[IX A Gleam Of Hope]
[X Midnight Visitors]
[XI The Airship Is Taken]
[XII A Strange Disappearance]
[XIII The Telephone Picture]
[XIV Making Improvements]
[XV The Airship Clew]
[XVI Success]
[XVII The Mysterious Message]
[XVIII Another Call]
[XIX The Buzzing Sound]
[XX Setting The Trap]
[XXI The Photo Telephone]
[XXII The Escape]
[XXIII On The Trail]
[XXIV The Lonely House]
[XXV The Airship Capture]