A micro-preemie fights for survival in this extraordinary and gorgeously told memoir by her parents, both award-winning journalists. Juniper French was born four months early, at 23 weeks' gestation. She weighed 1 pound, 4 ounces, and her twiggy body was the length of a Barbie doll. Her head was smaller than a tennis ball, her skin was nearly translucent, and through her chest you could see her flickering heart. Babies like Juniper,...