Produced by Moti Ben-Ari and the Online Distributed Proofreading Team at http://www.pgdp.net _Spies of the Kaiser Plotting the Downfall of England_ _By William Le Queux: Author of "The Invasion of 1910"_ Contents IF ENGLAND KNEW THE PERIL OF ENGLAND CHAPTER I: HOW THE PLANS OF ROSYTH WERE STOLEN CHAPTER II: THE SECRET OF THE SILENT SUBMARINE CHAPTER III: THE BACK-DOOR OF ENGLAND CHAPTER IV: HOW THE GERMANS ARE PREPARING FOR INVASION CHAPTER V: THE SECRET OF THE NEW BRITISH AEROPLANE CHAPTER VI: THE SECRET OF THE NEW ARMOUR-PLATES CHAPTER VII: THE SECRET OF THE IMPROVED "DREADNOUGHT" CHAPTER VIII: THE GERMAN PLOT AGAINST ENGLAND CHAPTER IX: THE SECRET OF OUR NEW GUN CHAPTER X: THE SECRET OF THE CLYDE DEFENCES CHAPTER XI: THE PERIL OF LONDON CHAPTER XII: HOW GERMANY FOMENTS STRIFE CHAPTER XIII: OUR WIRELESS SECRETS CHAPTER XIV: PLAYING A DESPERATE GAME HURST & BLACKETT'S FAMOUS 1/3^{NET} NOVELS Each cloth bound, with picture wrapper in colours. The Publishers have pleasure in announcing the issue in popular form of the very successful novels of GERTRUDE PAGE of which _Over a million copies have already been sold._ THE EDGE O' BEYOND 275th Thousand PADDY, THE NEXT BEST THING 246th Thousand LOVE IN THE WILDERNESS 188th Thousand THE SILENT RANCHER 135th Thousand THE GREAT SPLENDOUR 140th Thousand THE RHODESIAN 139th Thousand By AMÉLIE RIVES (Princess Troubetzkoy) World's End By MAURICE LEBLANC The Teeth of the Tiger By RICHARD STARR Married to a Spy By MARGARET PETERSON To Love Butterfly Wings By WILLIAM LE QUEUX The Man from Downing Street By WILLIAM LE QUEUX Secrets of the Foreign Office The House of the Wicked By BEATRICE GRIMSHAW Red Rob of the Islands A Story of New Guinea By COUNTESS BARCY[`N]SKA The Honey Pot By EDNA LYALL Donovan 300th Thousand We Two 250th Thousand London: HURST & BLACKETT Ltd., Paternoster House. E.C. _Spies of the Kaiser Plotting the Downfall of England_ _By William Le Queux: Author of "The Invasion of 1910"_ [Illustration] _LONDON: HURST AND BLACKETT, LTD. PATERNOSTER HOUSE, E.C._ IF ENGLAND KNEW No sane person can deny that England is in grave danger of invasion by Germany at a date not far distant. This very serious fact I endeavoured to place vividly before the public in my recent forecast, _The Invasion of 1910_, the publication of which, in Germany and in England, aroused a storm of indignation against me.