The Killer Angels by Michael Shaara

The land west of Gettysburg is a series of ridges, like waves in the earth. The first Rebel infantry came in that way, down the narrow gray road from the mountain gap. At noon they were in sight of the town. It was a small neat place: white board houses, rail fences, all in order, one white church steeple. The soldiers coming over the last ridge by the Lutheran Seminary could see across the town to the hills beyond and a winding gray road coming up from the south, and as the first gray troops entered the town there was motion on that southern road: a blur, blue movement, blue cavalry. They came on slowly around the last bend, a long blue smoking snake, spiked with guns and flags. The soldiers looked at each other across vacant fields. The day was very hot; the sky was a steamy haze. Someone lifted a gun and fired, but the range was too long. The streets of Gettysburg were deserted.

Just beyond the town there were two hills. One was wooded and green; the other was flat, topped by a