I had a Civil War diary. It disappeared at about 50 years ago and I still miss it. The young Irish Yankee soldier, David Hyde, author of my sole copy had been writing from the battlefield that I suspect was somewhere in Virginia. I recall his explanation of the damage and pain of war, but he also introduced me to an unexpected event that took place on evenings when the guns were quiet. The two armies were out of sight of each but close enough on the battlefield to hear each other speak and be heard during the after-hours. They would exchange newspapers on occasion. Then back to combat.
David's home was in Poughkeesie, NY where his father owned a clothing store. However, David's letters were mailed to his favorite (female) cousin. His personality came through well composed letters and with a tinge of humor throughout.
My reading a Civil War diary is fun knowing its non-fiction source and it's unusual but the after-effect of not knowing the fate of the boy is its downside.
My daughter's grade school teacher, at long past, read a portion of the letters to her class that created a lively interest at the time. She projected a portion of them on the classroom wall for show.