This book is a true masterpiece of classical esoteric literature. Its author, who belonged to the Hermetic Order of the Golden Dawn, sought to make magic accessible to people seeking spiritual rebirth. He managed to identify the fundamental principles characteristic of magic of different directions and traditions, and present them as a scientific discipline and the basis for the development of Higher spirituality. This colossal work was called “The Tree of Life.” As the best introduction to practical occultism ever written, we offer it to the attention of a wide readership.