Though Siegfried Sassoon would argue the point throughout his life, most critics regard his war poetry, written during World War I, as the best of his writings. Like many of his artistic contemporaries, Sassoon embraced the "Great War for Civilization" with great fervor, and it was this passion that he brought to his earliest writings about the war. "Absolution," his first war poem, published in 1915, summed up his feelings: "fighting for our...