From master storyteller and Printz Awardwinning author An Na comes a dark, intensely moving story of a girl desperately determined to find a cure for the illness that swept her mother away, and could possibly destroy her own life as well.Sixteen-year-old Grace is in a race against timeand in a race for her lifeeven if she doesnt realize it yetShe is smart, responsible, and contending with more than what most teens ever should. Her mother struggled...