With the scandal over prison abuse at Abu Ghraib and the legal controversy over the enemy combatants at Guantanamo Bay, the proper treatment of prisoners of war has once again been thrust into the news. At the heart of this debate stands the Geneva Conventions, a famous set of rules about which most of us know nothing. In The Rules of War, Derek Jinks--a leading authority on humanitarian law--provides an illuminating account of the Geneva Conventions,...