Gettysburg's Coster Avenue, The Brickyard Fight and the Mural" by Mark H. Dunkelman. The book explains the intense brickyard fight that took place on July 1, 1863. Mr. Dunkelman will also bring to life how a thought and pencil sketch would evolve into one of Gettysburg's most treasured pieces of art on the battlefield, the Coster Avenue Mural