Whenever Christa Black looked in the mirror, she was waging a war with herself. Her hatred of her face and body drove her, as a young woman, into frantic overachievement, addiction, and an eating disorder that landed her in rehab. A preacher's kid, she'd grown up imagining God as a "thou shalt not" tyrant. It was only when she miraculously discovered God's unconditional love for her--physical imperfections, moral failings, and all--that she finally...