Copyright, 1915
By
The Saalfield Publishing Co.
CONTENTS
| Chapter | Page | |
| [I] | Serious News | [11] |
| [II] | Quick Work | [27] |
| [III] | Picked for Service | [45] |
| [IV] | The House of the Heliograph | [65] |
| [V] | On the Trail | [81] |
| [VI] | The Mystery of Bray Park | [99] |
| [VII] | A Close Shave | [117] |
| [VIII] | A Friend in Need | [127] |
| [IX] | An Unexpected Blow | [143] |
| [X] | A Good Witness | [153] |
| [XI] | The First Blow | [163] |
| [XII] | The Silent Wire | [173] |
| [XIII] | A Treacherous Deed | [185] |
| [XIV] | The Trap | [195] |
| [XV] | A Daring Ruse | [205] |
| [XVI] | The Cipher | [213] |
| [XVII] | A Capture from the Skies | [223] |
| [XVIII] | Vindication | [233] |