In this highly accessible book David Levy teaches the reader how variable stars work, and how to observe them.

David Levy's entertaining, well-researched book is aimed at the amateur enthusiast who likes to learn enjoyably. Beginning with advice on binoculars and telesco

The perfect introduction for the novice astronomer, this book stirs the imagination and puts observation in a framework of social activity and personal adventur

Observing variable stars is one of the major contributions amateur astronomers make to science. There are 36,000 variable stars listed in the General Catalogue

David Levy has held a lifelong passion for comets, and is one of the most successful comet discoverers in history. In this book he describes the observing techn