From the #1 bestselling author of Little Fires Everywhere, a deeply heart-wrenching novel about the unbreakable love between a mother and child in a society consumed by fear. Twelve-year-old Bird Gardner lives a quiet existence with his loving but broken father, a former linguist who now shelves books in Harvard's library. He knows not to ask too many questions, stand out too much, stray too far. For a decade, their lives have been governed by laws written to preserve 'American culture'