In a narrative that moves with dreamlike swiftness from India to England to Africa, Nobel Laureate V. S. Naipaul has produced his finest novel to date, a bleakly resonant study of the fraudulent bargains that make up an identity. The son of a Brahmin ascetic and his lower-caste wife, Willie Chandran grows up sensing the hollowness at the core of his father's self-denial and vowing to live mo…