Chris Impey aims to convey the excitement of astronomy in as many ways as possible to a large public audience. He gives 20 public talks a year, to audiences as large as 3500 and as varied as NASA engineers, first-graders, and Buddhist monks. He has written over forty popular articles on cosmology and astrobiology and authored two introductory textbooks. His has published six popular science books: The Living Cosmos (2007, Random House), How It Ends (2010, Norton), How It Began (2012, Norton), Talking About Life (2010, Cambridge), Dreams of Other Worlds (2013, Princeton), and Humble Before the Void (2014, Tempeton), and has two more in preparation. His first novel, Shadow World, was published in 2013. His Teach Astronomy web site gets over 5000 visitors a week, and his YouTube lectures and videos have over half a million views.