This profusely illustrated new edition brings together the complete texts of all four parts of Liber ABA (Book 4) in one volume under the overall title 'magick' This edition incorporates Crowley's own additions, corrections and annotations, and restores dozen of passages omitted from the first editions. 'Magick' is the fundamental textbool of modern magick in the New Eon. Ita also has invalualble teachings for studentes of Yoga and meditation. Crowley mastered the practices of Yoga during his studies in the East and writes about them lucidly, without recourse to the imprecise language of mysticism. Beginning with a discussion of the universal origin of world religions in mysticalrevelation, 'Magick' then explores the theory and practice of mysticism and magick in the light of modern scientific thought.