Anthony Swofford's "Jarhead" is the first Gulf War memoir by a frontline infantry marine, and it is a searing, unforgettable narrative.When the marines -- or "jarheads," as they call themselves -- were sent in 1990 to Saudi Arabia to fight the Iraqis, Swofford was there, with a hundred-pound pack on his shoulders and a sniper's rifle in his hands. It was one misery upon another. He lived in sand for six months, his girlfriend back home betrayed him for a scrawny hotel clerk, he was punished by boredom and fear, he considered suicide, he pulled a gun on one of his fellow marines, and he was shot at by both Iraqis and Americans. At the end of the war, Swofford hiked for miles through a landscape of incinerated Iraqi soldiers and later was nearly killed in a booby-trapped Iraqi bunker.