books.google.com - Here is an informative, up-to-date and well-illustrated guide to planetary observations for amateurs. After chapters on the solar system and the celestial sphere, the text explains how to choose, test and use a telescope with various accessories and how to make observations and record results. For each...http://books.google.com/books/about/The_Planet_Observer_s_Handbook.html?id=GnrAVhVZ3wMC&utm_source=gb-gplus-shareThe Planet Observer's Handbook