The Campaign and Battle of Gettysburg have inspired scrutiny from virtually every angle. Standing out amid the voluminous scholarship, this book is not merely one more narrative history of the events that transpired before, during, and after those three momentous July days in southern Pennsylvania. Rather, it focuses on and analyzes nineteen critical decisions by Union and Confederate commanders that determined the particular ways in which those events unfolded. Matt Spruill, a retired U.S. Army colonel who studied and taught at the U. S. Army War College in Carlisle, Pennsylva