The Astrology of Sahl b. Bishr
This volume contains numerous works by the famous medieval astrologer Sahl b. Bishr, newly translated from Arabic. This volume is a required text for Benjamin Dykes’s traditional natal astrology course.
For a short list of errata, click or save here.
The Book of the Nine Judges
The great medieval compendium of Persian and Arabic masters
The Book of the Nine Judges is the largest traditional compilation of horary astrology, drawn from nine Persian and Arabic astrologers. Translated from Arabic sources chiefly by the 12th-Century Latin translator Hugo of Santalla, it achieved legendary status but has never before been translated into any modern language. It includes material by Masha’allah, ‘Umar al-Tabari, Abu Ma’shar, Sahl bin Bishr, al-Kindi, Abu ‘Ali al-Khayyat, “Dorotheus,” “Aristotle,” and Jirjis. Click here for a PDF excerpt.
The Traditional Natal Astrology Course (Part 1)
20 Lessons @ $60, 2 weeks per lesson
Paying in installments available: use Paypal flow or contact benjamin_dykes@msn.com
Limit 30 students
Part 1 begins May 3, 2025, ends approximately February 2026
Essential facts and requirements
Two Special Configurations: Aversion and Decimation
This downloadable audio lecture describes two important configurations in traditional astrology, illustrating them with chart examples. See longer description below. Contains MP3 audio, slides, and a handout. (Length: 1:12:00, 33MB.)
Works of Sahl & Masha’allah
Sahl bin Bishr (Zahel) and Masha’allah were two of the most influential medieval astrologers from the Arabic period. In a new work of 618 pages, Dr. Benjamin Dykes translates 16 of their most important works–many of them for the first time in any modern language! This essential work in medieval astrology includes many charts and lengthy introductory remarks and explanations by the translator.