“The man who makes physics sexy . . . the scientist they’re calling the next Stephen Hawking.” —The Times MagazineFrom the New York Times–bestselling author of Seven Brief Lessons on Physics and the forthcoming The Order of Time, a closer look at the mind-bending nature of the universe.What are the elementary ingredients of the world? Do time and space exist? And what exactly is reality? In elegant and accessible prose, theoretical physicist Carlo Rovelli leads us on a wondro