<p><b>Brian Greene's <i>The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos </i>explores our most current scientific understanding of the universe, the 'string theory' that might hold the key to unifying nature's laws, and our continuing quest to know more.</b> <p> There was a time when 'universe' meant all there is. Everything. Yet, as physicist Brian Greene's extraordinary book shows, ours may be just one universe among many, like endless reflections in a mirror. <p> He takes us on a captivating exploration of parallel worlds - from a multiverse where an infinite number of your doppelgangers 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. <p> 'If extraterrestrials land tomorrow and demand to know what the human mind is capable of accomplishing ... hand them a copy of this book'<br> <i>The New York Times Book Review</i> <p> 'A writer of exceptional clarity and charm ... every chapter opens level after level of previously unimaginable, mind-expanding realities'<br> Oliver Sacks <p> 'The book serves well as an introduction to the multiverse and will open up many people's eyes'<br> John Gribbin <p> <b>Brian Greene </b>is well known to many fans as a populariser of theoretical physics. He is the author of the bestselling books about string theory, <i>The Elegant Universe</i>, which was a finalist for the Pulitzer Prize for nonfiction, <i>The Fabric of the Cosmos</i>, and <i>The Hidden Reality</i>. Educated at Harvard and Oxford, he has taught at both Harvard and Cornell and has been Professor of Physics and Mathematics at Columbia University since 1996.</p>