Sunology | A Guide to Source Connection  is a teaching manual and reference book in .pdf format that explains the details of Sunology and provides a definition for every Sun Number, using the Sabian Sun symbols as the key to understanding the Sun Number of the day. Learn the symbols and the meanings of the 30 day cycle. Purchasing this .pdf provides you with a receipt in which the downloadable link is included. Problems? Email me at sharon@sharon-moore.com. All products are satisfaction guaranteed.