Here, for the spiritual adventurers of our own age, is an accessible introduction to one of the most important of the Christian mystical writers. Jakob Boehme (1575-1624) was a humble shoemaker of Gorlitz in eastern Germany who, in response to the visionary experiences that began for him as a teenager, wrote a series of theosophical treatises that explore the nature of God and humanity. His ability to give words to the ineffable has never been surpassed, and his influence can be felt in the generations of mystics who followed him, as well as in Pietists, German Romantics, Quakers, and...