Tyson shares 101 letters from people across the globe who have sought him out in search of scientific answers.

"The essential universe, from our most celebrated and beloved astrophysicist. What is the nature of space and time? How do we fit within the univ

"Bringing his cosmic perspective to civilization on Earth, Neil deGrasse Tyson shines new light on the crucial fault lines of our time--war, poli

"This illustrated narrative explains the universe from the solar system to the farthest reaches of space"--

"An exploration of the age-old complicity between skywatchers and warfighters, from the best-selling author of Astrophysics for People in a Hurry

"In this groundbreaking book, world-renowned astrophysicist Neil deGrasse Tyson tackles the world's thorniest philosophical conundrums, armed wit