"Masterfully rendered and mercilessly readable. Kohnstamm populates these pages with insight, hilarity, emotion, and unforgettable characters. Supersonic is a novel with so much narrative propulsion that it manages to live up to its name." --Jonathan Evison, author of Small World and Lawn Boy When PTA president Sami Hasegawa-Stalworth petitions to rename a Seattle elementary school after her late grandmother, she...