World War I has come down to us in indelible images—those of airplane bombers, bleak-eyed soldiers, stern-faced commanders, and the ruins of countless villages. But soldiers themselves also took photographs on the battlefield, and many of their striking images were transformed into postcards that were sent home to family and friends or collected as war mementos. Postcards from the Trenches gathers a number of these postcards to create a striking visual history of World War I. The cards in this compelling volume were created not only by soldiers, but also by embedded journalists from France, Belgium, Austria, Germany, and Britain. The images capture scenes both humorous and poignant, including soldiers having a mock party with little food to eat, wounded soldiers smiling for the camera, a makeshift trench hospital, the bloody aftermath of a battle, and a huddle of men taking what they know could be their last communion before marching onto the battlefield. Other cards document...