I began to wonder, while reading “Girl, Woman, Other,” what would the concluding device or strategy be, that would lead to this novel winning the 2019 Booker Prize. I began to anticipate something memorable because the book follows the lives of its various characters in a casual way, expounding the history of each in telling detail and sympathy, and occasionally, almost as an afterthought, ties them to each other. So I began to wonder. At the conclusion of the novel, I found out.These characters...