ILLUSTRATIONS[ The American Y.M.C.A. Headquarters in Paris . . . . . . Frontispiece ][ The "Eagle Hut" in London ][ Harry Lauder Singing at a Y.M.C.A. Meeting.The officer seated at the extreme right is Captain "Peg" ][ Wholesome and Entertaining,Home Refreshments in London ][ Three Thousand Soldiers in the Crowded Hut ]