This book was originally published under the auspices of the Hayden Planetarium, and is now reissued in expanded and revised form, with additional photographs and charts. As reported previously ""Step by step, through the seasons, the handbook takes . Each step seems to grow out of its predecessor, and the charts and diagrams and simple text make it seem fascinating and straight sailing. The simpler constalations, the planets, the moon, meteors, double stars, solar observations, nebulae and clusters, amateur photography, variable stars, asteroids, hints on telescopic -- these are the main steps."" A time-tested book, interesting, dependable, constructive, which will continue to sell through the years.