‘I swim for every chance to get wasted — after every meet, every weekend, every travel trip. This is what I look forward to and what I tell no one: the burn of it down my throat, to my soul curled up in my lungs, the sharpest pain all over it — it seizes and stretches, becoming alive again, and is the only thing that makes sense.’ At fifteen, Casey Legler is already one of the fastest swimmers in the world. She is also an alcoholic, isolated from her family, and incapable of forming lasting connections with those around her. Driven to compete at the highest levels, sent far away...