| CHAPTER | PAGE | | I. | Waiting for the Hop-Off | 9 | | II. | Arrival of a Stranger | 22 | | III. | Treachery Afoot | 39 | | IV. | The Tamperer Captured | 51 | | V. | Startling Reports | 63 | | VI. | New War Clouds | 83 | | VII. | Summoned to Washington | 92 | | VIII. | "Deliver These at Paris" | 101 | | IX. | Off to Europe | 111 | | X. | Pursued by an Enemy Plane | 118 | | XI. | In the Teeth of a Hurricane | 126 | | XII. | Desperate Haste | 135 | | XIII. | The Battle in the Clouds | 144 | | XIV. | Destruction of the Enemy | 152 | | XV. | Fuel from a Tanker | 160 | | XVI. | A Matter of Hours | 169 | | XVII. | The Ten-Mile Glide | 175 | | XVIII. | A Runaway Plane | 185 | | XIX. | The Sleep-walker | 196 | | XX. | Kidnaped | 206 | | XXI. | The Arrival in Paris | 217 | | XXII. | World Peace Assured | 222 |
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