This book attempts to introduce the student to some advanced principles of astrology such as the Bahaka, Kendradhiphipati, Gulika and Mandi, Dustanas, Prasna and Muhurtha, etc., which are factors that help in fine-tuning predictions. The book deals with these advanced principles in a simple manner, highlighting their scope as well as limitations in understanding a horoscope. The discussion is in graded steps with profuse illustrations of case studies by the author and helps in clearing many ambiguities and misconceptions covering these principles in their application to actual cases.