Behind a cacophony of traffic noise, iPhone alerts and our ever-spinning thoughts, an elusive notion – silence – lies in wait. But what really is silence? Where can it be found? And why is it more important now than ever?Erling Kagge, the Norwegian adventurer and polymath, once spent fifty days walking solo in Antarctica with a broken radio. In this meditative, charming and surprisingly powerful book, he explores the power of silence and the importance of shutting out the world.