A heartwarming Civil War tale bound to become an American holiday classicIn the winter of 1862, during the seemingly endless nightmare of the Civil War, a small miracle occurred. Just after Christmas, on the eve of the bloody battle of Stones River in Tennessee, the Union and Confederate armies set up camp within shouting distance of one another. To raise their spirits, they began a volley of patriotic tunes-"Yankee Doodle" drowned out by "Dixie."...

They are all infantrymen; none were commissioned officers. One is a German-speaking artist whose sole record is nineteen stunning watercolors that cover a year's enlistment. Another is a free black from Syracuse, New York. Six are from slave states, one of whom was a Unionist. Drawing from the more than 60,000 documents housed in the privately held Gilder Lehrman Collection, Robert E. Bonner has movingly reconstructed the experiences of sixteen Civil...