<p>"The authors maintain the individual charms of their distinct voices chapter by chapter so the reader has the visceral sense of science shared, passed from one mind to another, almost as though through an oral history--ultimately, a warm welcome to the universe."<b>--Janna Levin, author of <i>Black Hole Blues and Other Songs from Outer Space</i></b></p><p>"Readers will enjoy the big ideas in this lively and enjoyable book."<b>--Robert P. Kirshner, author of <i>The Extravagant Universe</i></b></p><p>"All three of these authors are experts in the field, and they are also engaging writers. This is a very good book. There is nothing on the market that quite matches it."<b>--Sean Carroll, author of <i>The Particle at the End of the Universe: How the Hunt for the Higgs Boson Leads Us to the Edge of a New World</i></b></p><p>"As an astronomer, I admire the clever and artful way so much frontier cosmology is covered in this book. I enjoyed reading it immensely."<b>--Chris Impey, coauthor of <i>Dreams of Other Worlds: The Amazing Story of Unmanned Space Exploration</i></b></p>