PERCY F. WESTERMANAUTHOR OFMADE IN GREAT BRITAINFirst Published 1916Frequently reprintedContentsCHAPTER I. [SNOWED UP]II. [A MYSTERIOUS BENEFACTOR]III. [THE WONDERS OF THE SECRET BATTLEPLANE]IV. [A TRIAL TRIP]V. [SO NEAR AND YET SO FAR]VI. [THE INTERRUPTED VIGIL]VII. [THE BATTLEPLANE'S OFFICIAL DEBUT]VIII. [A CROSS-CHANNEL FLIGHT]IX. [A FIGHT TO A FINISH]X. [TRICKED]XI. [THE FATE OF A SPY]XII. [SERGEANT O'RAFFERTY'S LUCKY BOMB]XIII. [THE FRONTIER]XIV. [ATHOL TACKLES VON SECKER]XV. [GAME TO THE LAST]XVI. [À BERLIN]XVII. [DISABLED]XVIII. [TURNING THE TABLES]XIX. [A DUEL WITH A ZEPPELIN]XX. [LIBERATED]XXI. [ONE GOOD TURN DESERVES ANOTHER]XXII. [ALL GOES WELL WITH ENGLAND]CHAPTER ISNOWED UP