What to read after Art of Prediction?

Astrology is both a science and an art. It is science in the sense that it is based on the pure science of astronomy and mathematics and an art in the sense that it requires sufficient practice to give adequate results. The mathematical portion of. astrology is comparatively easier, as most of its requirements are already available to us without much labour. Unlike old days, an astrologer is not called upon these days, to work out the longitudes of the heavenly bodies himself, These are easily available in an up-to-date form in modern ephemeris, and only have to be culled out. But the art Portion of astrology requires much time, constant Practice and devoted attention fora correct appraisal of the birth chart.