Download or read book The Hidden Reality written by Brian Greene and published by Penguin UK. This book was released on 2012 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: There was a time when 'universe' meant all there is. Everything. Yet, as Brian Greene's extraordinary book shows, ours may be just one universe among many, like endless reflections in a mirror. He takes us on a captivating exploration of parallel worlds - from a multiverse where an infinite number of your doppelg ngers are reading this sentence, to vast oceans of bubble universes and even multiverses made of mathematics - showing just how much of reality's true nature may be hidden within them.