To Hazard All: A Guide to the Maryland Campaign, 1862

“The present seems to be the most propitious time since the commencement of the war for the Confederate Army to enter Maryland,” wrote Robert E. Lee following his army’s stunning success at Second Manassas.

Confederate armies advanced across a thousand mile front in the summer of 1862. The world watched anxiously—could the Confederacy achieve its independence?

Reacting to the Army of Northern Virginia’s trek across the Potomac River, George B. McClellan gathered the broken and scattered remna...