This book covers the "why," "how," and "what" of astronomy under light-polluted skies. It is aimed at urban astronomers and showcases the countless objects - galaxies, nebulae, and star clusters - that can be seen in even in heavily light polluted urban skies. About half of the book is devoted to describing "tours" of the sky, with physical and observational descriptions, at-the-eyepiece drawings, and photographs. There are literally hundreds of...