In her long-awaited return to fiction, the author of "Americanah," Chimamanda Ngozi Adichie, presents "Dream Count" (Knopf), an intricately woven novel that spans continents and classes.

“What’s the point of writing fiction?” Chimamanda Ngozi Adichie said. “The point is human connection. That’s what matters the most to me.”Credit...Schaun Champion for The New York ...