Considered one of the greatest tragedies of the First World War, the Battle of the Somme claimed more than one million dead, wounded and missing victims from twenty-five countries. In commemoration of the battle's ninetieth anniversary, prominent historians from the U.K., France, Germany and the U.S. share their insights in an intimate account that follows in the footsteps of soldiers who actually fought there. Based on exclusive archives, this book is filled with pictures and maps that provide a moving, penetrating look at a dark moment in world history.