Required:
Murray and Millett, A War to Be Won, pp. 411-83.

Overy, Russia's War, pp. 223-89.

Suggested:
Stephen E. Ambrose, D-Day, June 6th, 1944: The Climatic Battle of World War II (New York, 1994).

Stephen E. Ambrose, Pegasus Bridge: June 6, 1944 (New York: Touchstone, 1985).

Cornelius Ryan, The Longest Day: June 6, 1944 (New York: Simon & Schuster, 1959).