"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 fascinating foray into the millennia-long relationship between science and military power, acclaimed astrophysicist Neil deGrasse Tyson and writer Avis Lang examine how the methods and tools of astrophysics have been enlisted in the service of war. "The overlap is strong, and it's a two- way street,"...