The present work contains a critical edition, translation, and study of the "Summa perfectionis" of Pseudo-Geber, the most influential of the many texts of medi

Summa Perfectionis, "The Height of Perfection," is attributed to Abu Musa Jabir ibn Hayyan (c. 721-815), who is most commonly known as Geber. This volume was se

This is a new release of the original 1928 edition.

Embrace the timeless teachings of the chakra system for peace of mind, better physical health, and a sense of alignment, fulfillment, and purpose. The key to op

A concise guide to the history, theory, and practice of alchemy (the “great work”)—the art of working with the energies of nature for spiritual developmen