“A book must start somewhere. One brave letter must volunteer to go first, laying itself on the line in an act of faith, from which a word takes heart and follows, drawing a sentence into its wake. From there, a paragraph amasses, and soon a page, and the book is on its way, finding a voice, calling itself into being. A book must start somewhere, and this one starts here.” So begins Ruth Ozeki’s new novel, "The Book of Form and Emptiness," which follows the story of a young...