“With beautiful, immaculate prose, Davies takes on the formidable task of describing ‘the most successful scientific theory in history,’ which underpins every aspect of the physical sciences and has gifted our technological world of human endeavor with transformative applications. The result is a remarkable book that is destined to make a significant impact.”

Simon Mitton, Department of History and Philosophy of Science, University of Cambridge, coauthor of "Vera Rubin: A Life"

“Quantum 2.0 is eminently readable—an impressive feat in itself. I really enjoyed it. Davies has done a great job of conveying how unfamiliar the quantum world can be and how unexpected. And he’s done so without equations!”

Vinton Cerf, internet pioneer and computer scientist

“You won’t find a clearer, more engaging guide to what we know (or would like to know) about the universe and how it is put together.”

Bill Bryson, on Davies's "What's Eating the Universe?"

“One of the most imaginative scientists working today.”

Financial Times, on Davies's "The Demon in the Machine"

“Compelling. . . . Davies excels in succinctly addressing the big intangibles.”

Forbes, on Davies's "What's Eating the Universe?"

“Brilliantly vivid. . . . Elegant and lucid.”

The Guardian, on Davies's "The Demon in the Machine"

“We cannot help but be amazed.”

The Wall Street Journal, on Davies's "What's Eating the Universe?"