This month there is a Book of the Month with two alternatives. The choices were prompted by the developing Venus/Mars square and Valentine's Day. Jeffrey Green wrote a follow up to his famous Pluto book. It was about relationships and describes the function of Venus and Mars and our essential continue reading...
The Book of the Month feature is intermittent, though we have a nice selection here from October 2017-December 2018. Take a look. They are mostly astrology related. Others broaden horizons and prompt deep reflection, which grow more helpful astrologers.