Not Sidney Poitier is an amiable young man in an absurd country. The sudden death of his mother orphans him at age eleven, leaving him with an unfortunate name, an uncanny resemblance to the famous actor, and, perhaps more fortunate, a staggering number of shares in the Turner Broadcasting Corporation. Percival Everett's hilarious new novel follows Not Sidney's tumultuous life, as the social hierarchy scrambles to balance his skin color with his fabulous...