Crisis at the Crossroads by Warren W. HasslerCrisis at the Crossroads by Warren W. Hassler Considered one of the most detailed narrative of the first days battle, Warren Hassler with his thoroughness of detail offers a persuasive argument that the first days events largely determined the eventual outcome of the battle at Gettysburg. Hassler displays uncommonly complete knowledge of the battlefield terrain and makes uniquely good use of the information that can be gleaned from the monuments and