In around 1906 era vulgaris, Aleister Crowley received a flood of inspired texts that would come to be known as some of the core Holy Books of Thelema, taking their place alongside The Book of the Law and Liber 418.Liber B vel Magi is a short text, only a couple of pages in length, which describes one of the most exalted Grades on the Tree of Life, that of the Magus. Join us as Edward Mason and I explore this brief text.