"Fascinating. The siren song of constants has drawn the greatest minds of physics and cosmology." -
The Washington Post Book World "Barrow's familiarity with the material allows him to glide from Pascal to Pasadena in smooth, informative paragraphs." -
Economist "Barrow is a fantastic storyteller. The book is full of wonderful moments, vignettes that you will want to remember." -
The Guardian "Barrow's appeal lies in a winning way with historical anecdote and apt quotation and a forceful eloquence, when it comes to the most mind-boggling thoughts, that irresistibly sweeps you along." -
Daily Telegraph (London)