LIST OF ILLUSTRATIONS
| Y.M.C.A. and German observation station in the trees at Achiet-le-Petit | [Frontispiece] |
| PAGE | |
| Hut in the grounds of the ruins of the Hôtel-de-Ville at Arras | [16] |
| One of many Y.M.C.A. huts built under shell-fire | [17] |
| The first Y.M.C.A. over the German trenches on the Somme battlefield | [32] |
| The Y.M.C.A. in the orchard at Albert | [33] |
| A refuge for the refugees | [48] |
| Y.M.C.A. marquee in the shell-swept Somme area | [49] |
| Y.M.C.A. in a ruined parish hall in Flanders, June, 1916 | [64] |
| Bapaume-Cambrai road, with trees all cut down by the Germans | [65] |
| The Red Triangle in the support trenches | [80] |
| 'George Williams House' in the front trenches | [81] |
| A half-way house to the trenches | [81] |
| The Y.M.C.A. in a ruined warehouse. Shell-hole in floor of canteen | [96] |
| A Y.M.C.A. cellar at Ypres | [97] |
| Hut in wilderness of destruction. Cutting the ice in shell-holes for water for tea—winter, 1916-17 | [112] |
| Ruined house used by Y.M.C.A., propped up by timber | [113] |
| Canadian Y.M.C.A. dug-out in a mine crater on Vimy Ridge, 1917 | [128] |
| A Canadian Y.M.C.A. dug-out near Vimy Ridge | [129] |
| A great boon to British Tommy—a Y.M.C.A. well under shell-fire | [144] |
| The Cambridge dug-out | [144] |
| A refuge for the walking wounded | [145] |
| Y.M.C.A. motor kitchen behind the lines | [160] |
| Indian troops at the sign of the Red Triangle | [161] |
| A shakedown in a London hut | [176] |
| Relatives of the dangerously wounded are looked after by the Y.M.C.A. in France | [176] |
| Y.M.C.A. night motor transport | [177] |
| Y.M.C.A. in the front-line dug-outs on the Palestine Front | [192] |
| Y.M.C.A. dug-out and canteen on Palestine Front | [193] |
| The Y.M.C.A. at Basra, Mesopotamia | [208] |
| The Central Y.M.C.A., Baghdad | [209] |
| The Red Triangle in Jerusalem | [224] |
| The Hexham Abbey hut, Scheveningen, Holland | [224] |
| Salonica: winter on the Doiran Front, showing Y.M.C.A. tent | [225] |
| A welcome Y.M.C.A. in the trenches | [225] |
| Y.M.C.A. for interned prisoners of war, Leysin, Switzerland | [232] |