By James M. McPherson Paperback; 88 pages This book, written by Pulitzer-Prize winning author McPherson, draws from primary documents such as letters and diaries to see what motivated the men to fight in the American Civil War. Regular price: $11.95Sale price: $10.76 Antietam Partners get 10% off + free shipping! Click here to join! Sign up for Antietam e-mail updates! Email: