Deepen your understanding of astrological correspondence in this newly expanded compendium of over 20,000 rulerships!

First published in 1992, The Book of Rulerships, from renowned author/astrologer Dr. Lee Lehman, quickly became an essential tool for astrologers seeking historical accuracy in horary, electional, and natal work. Now in its second edition, this comprehensive reference has grown from 10 classical sources to more than 23 works by 18 authors, featuring over 20,000 verified rulership entries.

Explore a massive listing of rulerships—from “Abandoned Business” (9th House) to “Zurich” (Aquarius or Aries)—as well as rulership lists organized by planets, signs, and houses. Each listing includes the rulership original source so readers can explore classical origins and agreeing/disagreeing perspectives. The rulership listings include comprehensive subcategories from across life: plants, stones, life events, ailments, body parts, careers, foods, animals, locations, spiritual entities, colors, everyday items, and more.

This detailed compilation from Dr. Lee Lehman is an essential guide for those interested in practicing traditional astrology or integrating classical methods into modern practice and includes significantly expanded source material, an introduction to the second edition, and additional insights gained over three decades of study.

Whether you’re a student or seasoned practitioner, researcher or scholar of early astronomy, The Book of Rulerships is a profound resource you’ll reach for again and again.