The number of soldiers wounded in World War I is, in itself, devastating: over 21 million military wounded, and nearly 10 million killed. On the battlefield, the injuries were shocking, unlike anything those in the medical field had ever witnessed. The bullets hit fast and hard, went deep and took bits of dirty uniform and airborne soil particles in with them. Soldier after soldier came in with the most dreaded kinds of casualty: awful, deep, ragged...