Surveys the Writing of Hildegard of Bingen. Both Her Visionary and Nonvisionary Works, As Well As Her Music, and Describes the Events and Forces in Her Life That Led to Hildegard Creating a Virtual Library of Publications. The Author Provides a Sketch of Hildegard As a Nun, a Religious Superior, Author, Mystic, and Musician, While Defining the Theological Integration That Occurred During Her Creative Life.