Readers of his essays in Natural History magazine recognise Neil deGrasse Tyson's talent for guiding them through the mysteries of the cosmos with clarity and enthusiasm. Here, Tyson compiles his favourite essays across a myriad of topics. The title essay introduces readers to the physics of black holes by explaining the gory details of what would happen to your body if you fell into one. "Holy Wars" examines the needless friction between science and religion in the context of historical conflicts. And "Hollywood Nights" assails the movie industry's feeble efforts to get its night skies right.