Some ideas:

Scholar Boxer: Cháng Nâizhou's Theory of Internal Martial Arts and the Evolution of Taijiquan

Empire of Signs

On the Warrior's Path: Philosophy, Fighting, and Martial Arts Mythology

Classical Weaponry of Japan: Special Weapons and Tactics of the Martial Arts

Children and the Martial Arts: An Aikido Point of View

Spies, Vixens, and Masters of Kung Fu: The Art of Paul Gulacy

Combat, Ritual, and Performance: Anthropology of the Martial Arts

The Eleventh Son: A Novel Of Martial Arts And Tangled Love

Harry Potter and the Deathly Hallows (Book 7) (7/21/2007)

that'll keep you busy for the upcoming summer reading.