Q.B.L. or The Bride's Reception is a foundational occult treatise written by Charles Stansfeld Jones, also known as Frater Achad, and published in 1922. The book is a detailed exploration of the Qabalah (or Kabbalah), focusing on the Tree of Life, its practical application in magic, and its relation to other occult systems. The book is often published with a brief introduction and a lengthy appendix by Frater Achad, providing further insights into his esoteric research.