Dennis E. Frye, Chief Historian at Harpers Ferry National Historical Park, will discuss his Civil War book, September Suspense: Lincoln’s Union in Peril . Writer, lecturer, guide, and preservationist, Dennis is a prominent historian with numerous appearances on PBS, The History Channel, The Discovery Channel, and A&E. One of the nation’s leading Civil War battlefield preservationists, he is co-founder of Civil War Trust. He is also a well-known author, with 94 articles and nine books and has written for prestigious Civil War magazines such as America’s Civil War and Blue & Gray.