XVII THE HATEFUL RIDGE 213

XVIII A TRULY FRENCH AFFAIR 236

XIX ON THE AERIAL FERRY 244

XX THE EVER MIGHTY GUNS 255

XXI BY THE WAY 269

XXII THE MASTERY OF THE AIR 282

XXIII A PATENT CURTAIN OF FIRE 292

XXIV WATCHING A CHARGE 304

XXV CANADA IS STUBBORN 319

XXVI THE TANKS ARRIVE 332

XXVII THE TANKS IN ACTION 348

XXVIII CANADA IS QUICK 360

XXIX THE HARVEST OF VILLAGES 374

XXX FIVE GENERALS AND VERDUN 385

XXXI _Au Revoir_, SOMME! 400