| p. 4 | PICARDY LANDSCAPE by Louis Welden Hawkins (Peter Nahum at The Leicester Galleries, London / Bridgeman Images). |
| p. 8 | MUD (Imperial War Museum). |
| p. 11 | GERMAN DUGOUT (Mary Evans Picture Library / Robert Hunt Collection). |
| p. 13 | GERMAN MACHINE GUNNERS (Underwood Archives / Getty Images). |
| p. 18 | BEAUMONT HAMEL (Windmill / Robert Hunt Library / UIG / Bridgeman Images). |
| p. 29 | ROYAL AIRCRAFT FACTORY FE2B (Imperial War Museum). |
| p. 32 | GENERAL SIR DOUGLAS HAIG (Imperial War Museum). |
| p. 37 | GENERAL JOSEPH JOFFRE (Philip Talmage / Mary Evans Picture Library). |
| p. 39 | GENERAL ERICH VON FALKENHAYN (Imperial War Museum). |
| p. 42 | CROWN PRINCE RUPPRECHT (Imperial War Museum). |
| p. 50 | GENERAL SIR HENRY RAWLINSON (Imperial War Museum). |
| p. 53 | GENERAL OFFICERS OF WORLD WAR I by John Singer Sargent (National Portrait Gallery). |
| p. 59 | 18-POUNDER FIELD GUN (Imperial War Museum). |
| p. 64 | THE DECCAN HORSE (Robert Hunt Collection / Mary Evans Picture Library). |
| p. 70 | TOMMY’S EQUIPMENT (Illustrated London News Ltd. / Mary Evans Picture Library). |
| p. 75 | GERMAN DUGOUT (Robert Hunt Collection / Mary Evans Picture Library). |
| p. 79 | GERMAN TRENCH (Popperfoto / Getty Images). |
| p. 89 | TRENCH MORTAR DUMP (Imperial War Museum). |
| p. 94 | FRENCH 75MM FIELD GUN (Imperial War Museum). |
| p. 100 | 6-INCH HOWITZER (Imperial War Museum). |
| p. 107 | THE APPLEYARD BROTHERS (Imperial War Museum). |
| p. 112 | BRITISH TROOPS ASSEMBLE (Imperial War Museum). |
| p. 112 | BRITISH TROOPS AWAIT ORDER TO ADVANCE (Robert Hunt Library / Windmill Books / UIG / Getty Images). |
| p. 120 | Lancashire Fusiliers (Hulton Archive / Stringer / Getty Images). |
| p. 124 | HAWTHORN RIDGE MINE (Imperial War Museum). |
| p. 126 | TYNESIDE IRISH (Imperial War Museum). |
| p. 131 | CAPTURED GUNS (Mary Evans Picture Library / Robert Hunt Library / Imperial War Museum). |
| p. 137 | GERMAN ARTILLERY (Imperial War Museum). |
| p. 139 | CAPTAIN ERIC BELL VC (David Cohen Fine Art / Mary Evans Picture Library). |
| p. 156 | GOMMECOURT AERIAL PHOTOGRAPH (Imperial War Museum). |
| p. 163 | Newfoundland Troops (Imperial War Museum). |
| p. 165 | SCHWABEN REDOUBT (Imperial War Museum). |
| p. 168 | ROYAL IRISH RIFLES (UIG / Getty Images). |
| p. 175 | FIRST CASUALTIES (Imperial War Museum). |
| p. 179 | PIPE MAJOR JOHN WILSON (The Fusiliers Museum of Northumberland). |
| p. 184 | PRIVATE DANIEL SWEENEY (Imperial War Museum). |
| p. 189 | WOUNDED SOLDIERS (Imperial War Museum). |
| p. 191 | MAJOR-GENERAL IVOR MAXSE (Imperial War Museum). |
| p. 203 | NEWFOUNDLAND MEMORIAL (The Rooms Provincial Archives Division, Newfoundland). |
| p. 205 | BELFAST MEMORIAL(John Baucher). |
| p. 207 | SERRE MEMORIAL (Tom Stoddart / Getty Images). |
| p. 211 | TOMMY IN A GERMAN HELMET (Imperial War Museum). |
| p. 213 | GOMMECOURT GRAVE (Imperial War Museum). |
| p. 219 | GERMAN PRISONERS OF WAR (Robert Hunt Library / Mary Evans Picture Library). |
| p. 223 | ALLIED CEMETERY AT FRICOURT (www.www1cemeteries.com). |
| p. 225 | HAIG’S FUNERAL (Imperial War Museum). |
| p. 238 | GERMAN SHARPSHOOTERS (Paul Thompson / FPG / Stringer / Getty Images). |
| p. 240 | SOLDIERS AT ARRAS (Popperfoto / Getty Images). |