"Known in India as ashtakavarga, ""digital astrology"" is often featured in a chapter in Indian astrology books, but is rarely the subject of a whole book. Though based on fairly simple rules that experienced astrologers can apply immediately, the author writes, ""as time goes on, one realizes that the topic can become much more subtle and rich as it is woven into the broader fabric of Vedic astrology, and indeed it helps to further unravel Vedic astrology itself."