Variable star astronomy is one field that still allows amateur astronomers to make significant contributions to the advancement of science. Everyone can play a part in variable star observations, using a small telescope, binoculars, or even the naked eye. Written by an award-winning astronomer, Observing Variable Stars provides a comprehensive introduction to the field of variable star observation for the amateur. The book begins with advice on binoculars and telescopes, and on how and when to observe stars effectively. Levy then explains the ways in which to interpret variation in light...