In a semi-autobiographical debut novel that is at turns poignant and laugh-out-loud funny, John Son conveys the uniqueness and universality of a Korean-American childhood.Jin-Han Park's story opens with his first memory: losing his hat to a sudden gust of wind. He never gets it back. But his Uhmmah buys him many more hats, and Jin-Han discovers that he can reinvent himself with a change of headgear, be it a bright red cowboy hat or a cap with...