Bonatti on Basic Astrology

Guido Bonatti’s 13th Century masterpiece, the Book of Astronomy, has inspired and been a resource for astrologers around the world.

Bonatti on Basic Astrology contains Treatises 1-3, from the first English translation by Benjamin N. Dykes.

Students of Bonatti’s horary astrology will read Bonatti's defense of astrology, and basic rules and concepts covering planets, signs, houses, and planetary configurations.
of perfection, and how to judge over 100 different questions in
all areas of life. Bonatti’s also includes charts from his own practice
as a military advisor. It will repay many years of study.