Megan E. Abbott

When a violent death rocks her close-knit gymnastics community weeks before an important competition, the mother of an Olympic hopeful works frantically to hold her family together in spite of being irresistibly drawn to the crime.

A small town comes unraveled after a young teen has a frightening, unexplained seizure in her high school class and rumors of a hazardous illness quickly move through the school and the community, spreading hysteria and destroying friendships and families.