This simple, yet comprehensive how-to Astrology book is a must for any astrologer. While you’re learning Arroyo’s book provides all the foundation you’ll need to put together detailed, easy to understand birth chart interpretations. Once you’re established, Arroyo’s book provides a quick reference for keywords not only for planetary placements but also for aspects. As Arroyo himself describes “The purpose of this book is to help the reader focus on those essential meanings (in the birth chart) that are always reliable. Only by doing so can one be a clear lens for illuminating the complexities of life and human nature.”