Daniel J. Vermilya is a Civil War historian who works as a park ranger at Gettysburg National Military Park. He has previously worked as a park ranger at Antietam National Battlefield and Monocacy National Battlefield and is also a licensed battlefield guide at Antietam. He is the author of The Battle of Kennesaw Mountain and James Garfield and the Civil War. He lives in Frederick, Maryland, with his wife Alison.
"A meticulous and impressively informative read, "That Field of Blood" is a very highly recommended addition to personal, community, and academic library American Civil War History collections and supplemental studies lists."--James Cox"Midwest Book Review" (06/01/2018)