Katie Marsico 
John Cook’s Civil War Story [EPUB ebook] 

Gunfire rang out across the countryside as fifteen-year-old John Cook watched his unit struggle during the Battle of Antietam. Union troops were falling fast as they tried to push Confederate forces out of Maryland. With only a few soldiers left standing, John knew he had to do something. Follow John as he joins in, fighting against all odds to defend his unit during the bloodiest day of the Civil War.