VII. Political Crisis in France--Aeroplane Warfare--Fierce Combats in the Vosges--Preparations for Allied Offense 52 VIII. The Great Champagne Offensive 61 IX. The British Front in Artois 81 X. The Battle of Loos 90 XI. The Cavell Case--Accident to King George 98 XII. Operations in Champagne And Artois--Preparations for Winter Campaign 104 XIII. Events in the Winter Campaign 117 XIV. The Battle of Verdun--The German Attack 131 PART IV.--THE WAR AT SEA XV. Naval Situation at the Beginning of the Second Year--Submarine Exploits 143 XVI. The Sinking of the Arabic--British Submarine Successes 150 XVII. Cruise of the Moewe--Loss of British Battleships 156 XVIII. Continuation of War on Merchant Shipping--Italian and Russian Naval Movements--Sinking of La Provence 165 PART V.--THE WAR ON THE EASTERN FRONT XIX. Summary of First Year's Operations 174 XX. The Fall of the Niemen and Nareff Fortresses 178 XXI. The Conquest of Grodno and Vilna 185 XXII. The Capture of Brest-Litovsk 193 XXIII. The Struggle in East Galicia and Volhynia and the Capture of Pinsk 200 XXIV. In the Pripet Marshes 209 XXV. Fighting on the Dvina and in the Dvina-Vilna Sector 212 XXVI. Winter Battles on the Styr and Strypa Rivers 223 XXVII. On the Tracks of the Russian Retreat 229 XXVIII. Sidelights on the Russian Retreat and German Advance 240 XXIX. Winter on the Eastern Front 250 PART VI.--THE BALKANS XXX. Battle Clouds Gather Again 255 XXXI. The Invasion Begins 263 XXXII. Bulgaria Enters the War 269 XXXIII. The Teutonic Invasion Rolls on 273 XXXIV. The Fall of Nish--Defense of Babuna Pass 282 XXXV. Bulgarian Advance--Serbian Resistance 290 XXXVI. End of German Operations--Flight of Serb People--Greece 300 XXXVII. Allies Withdraw into Greece--Attitude of Greek Government 308 XXXVIII. Bulgarian Attacks--Allies Concentrate at Saloniki 316