For Robert Keegan, the face of battle is the face of the common soldier.

With the premise that all civilizations owe their origins to war making, Keegan probes the meanings, motivations, and methods underlying war in different societies over the course of some two thousand years.

Author John Keegan joins Book TV for In Depth, airing live November 2 from noon to 3pm ET, and reairing at 5pm and midnight the same day.

In fiction, the spy is a glamorous figure whose secrets make or break peace, but, historically, has intelligence really been a vital step to military victories?

In fiction, the spy is a glamorous figure whose secrets make or break peace, but, historically, has intelligence really been a vital step to military victories?

Through exclusive interviews, Keegan probes the war’s causes, complications, costs, and consequences.

John Keegan chronicles the 1944 invasion of Normandy, showing each of the title’s six armies in a battle sequence testing them to the utmost.

What if Hitler had won the war, if Japan had another sneak attack, or if the cold war turned hot? What If? provides a fascinating new perspective...

The eminent historian John Keegan charts Churchill's career, following his steadfast leadership during the catastrophic events of World War II....