On the Kabbalah and its Symbolism by Gershom Scholem
Buy this book at Amazon
In On the Kabbalah and Its Symbolism, Gershom Scholem guides the reader through the central themes in the intricate history of the Kabbalah, clarifying the relations between mysticism and established religious authority, the mystics’ interpretation of the Torah and their attempts to discover the hidden meaning underlying Scripture, the tension between the philosophical and the mystical concepts of God, and the symbolism employed in mystical religion.