Kayla Williams is one of the 15 percent of the U.S. Army that is female, and she is a great storyteller. With a voice that is "funny, frank and full of gritty details" (New York Daily News), she tells of enlisting under Clinton; of learning Arabic; of the sense of duty that fractured her relationships; of being surrounded by bravery and bigotry, sexism and fear; of seeing 9/11 on Al-Jazeera; and of knowing she would be going to war.
With a...