The great Kabbalists, Rav Yehuda Ashlag, and his son and successor, Rav Baruch Ashlag, offer modern readers valid answers to life's most vital question: What is the meaning of my life? Their interpretations of The Book of Zohar and The Tree of Life explain how we can benefit by using the ancient wisdom of Kabbalah on a day-to-day basis. Additionally, clear illustrations accurately depict the evolution of the Upper Worlds as Kabbalists experience them.