Philosophical Research Society

  • The Secret Teachings of All Ages by Manly P. Hall - Emerald Ed. Reprint 2025
  • The Initiates of the Flame by Manly P. Hall - Centennial Edition
  • The Knapp-Hall Tarot Deck - Limited Edition 1929 Reprint
  • Pathways to Philosophy by Manly P. Hall
  • Journey in Truth by Manly P. Hall
  • The Secret Teachings of All Ages by Manly P. Hall
  • Questions & Answers: Fundamentals of the Esoteric Sciences by Manly P. Hall