Today, St Teresa continues to point the way from outer turmoil to inner peace for Catholics throughout the world. Above all, she is renowned for her mystical theology through books such as Life, The Foundations, The Way of Perfection and Interior Castle. Over 400 of her letters remain, together with Spiritual Testimonies, Soliloquies, Meditations on the Song of Songs and an assortment of poetry. Through all of her physical, emotional and spiritual challenges, she was unstinting in her declaration of her longing to serve God. Her life is evidence of both His presence and His enduring, unconditional love, a love she unceasingly and unhesitatingly sought throughout her astonishing life.