The notion of battles as the irreducible building blocks of war demands a single verdict of each campaign--victory, defeat, stalemate. But this kind of accounting leaves no room to record the nuances and twists of actual conflict. In Somme: Into the Breach, the noted military historian Hugh Sebag-Montefiore shows that by turning our focus to stories of the front line--to acts of heroism and moments of both terror and triumph--we can counter, and...