An exploration of an extraordinary group of female meditation masters from the Buddhist tradition in Tibet whose determination and accomplishments can serve as a great example for meditators the world over. Among Tibetan spiritual biographies there are many life stories of exceptional male wisdom-holders or vidyādharas. But biographies of religious women are few. This book focuses on the hidden world of the great female spiritual adepts who were born into a prominent lineage of the Sakya school of Tibetan Buddhism. For centuries, this family of wisdom holders has been committed to helping others alleviate their suffering and develop a strong dedication to spiritual practice.