<p><b>''A gem of a book'' Carlo Rovelli, author of <i>Seven Brief Lessons on Physics</i></b><br><br><b>''A unique and beautifully written masterpiece'' Max Tegmark, author of <i>Life 3.0</i></b><br><br><br><i>Could there be a civilization on a mote of dust? How much of your fate have you made? Who cleans the universe?</i><br><br>Through more than fifty Koans - pleasingly paradoxical vignettes following the ancient Zen tradition - leading physicist Anthony Aguirre takes us across the world from Japan to Italy, and through ideas spanning the age, breadth and depth of the Universe. Using these beguiling stories and a flair for explaining complex science, he covers cosmic questions that giants from Aristotle to Galileo to Heisenberg have grappled with - from the nature of time to the origin of multiple universes to the meaning of quantum theory.<br><br>Playful and enlightening, <i>Cosmological Koans</i> invites the reader into an intellectual adventure of the highest order, giving us what