Teresa of Avila's Interior Castle is one of the most celebrated books ever written by a mystic on abiding in union with Christ. Writing in obedience to the requests of two of her superiors, the humble 16th century Spanish sister protests "...for the love of God, let me get on with my spinning and go to choir...like the other sisters...I am not meant for writing; I have neither the health nor the wits for it."

In The Interior Castle, Carmelite nun, mystic, and patron saint of Spain Teresa of Ávila uses the metaphor of a giant crystal castle to explain her theory of the soul and the various stages it passes through as it progresses towards God. Beginning in the outer rooms, where demons are fought and vices are purged, the soul must reach the inner chambers, where it will enter betrothal and intimate union with God. Prayer is central to the journey, as the soul is guided by its practice and each phase represents a different category of devotion.

"I remained, lost in oblivion; My face I reclined on the Beloved. All ceased and I abandoned myself, Leaving my cares forgotten among the lillies." Thus writes 16th century Spanish poet and mystic, St. John of the Cross. In this, his third work, the author reflects on the nature of a personal union with Christ, found in the abandonment of self.

In this profound and intelligent book, Fiona Robertson acts as companion and guide through the dark night of the soul, one of life’s most challenging experiences. The dark night - or spiritual emergency - is the underbelly of awakening, an aspect of inner transformation that is often minimized, misunderstood, or denied. Fiona has captured the essence of the dark night journey with compassion and clarity.

The first work of its kind to be written in the English language, The Cloud of Unknowing is a spiritual guide to contemplation from an anonymous English monk of the 14th century. The author explains that ordinary thoughts and earthly concepts must be buried beneath a "cloud of forgetting" while our love must rise toward a God hidden in the "cloud of unknowing".

We often think of saints as rare individuals whose gifts far exceed our own, and St. Francis is no exception. But for Fr. Richard Rohr, a prolific author and renowned speaker, the life and teachings of this beloved figure offer an authentic spirituality we can all embody.

A story of spiritual awakening, St. Augustine's Confessions is a fascinating look at the life of an eminent Christian thinker. Widely seen as one of the first Western autobiographies ever written, it chronicles the life and religious struggles of Augustine of Hippo, from his days as a self-confessed sinner to his acceptance of Christianity as an older adult.

The Enchiridion is the famous manual of ethical advice given in the second century by the Stoic philosopher Epictetus. Born to a Greek slave, Epictetus grew up in the environment of the Roman Empire and, having been released from bonds of slavery, became a stoic in the tradition of its originators, Zeno (third Century BCE) and Seneca (first century CE).

From the perspective of an unbeliever, Fear and Trembling explores the paradox of faith, the nature of Christianity, and the complexity of human emotion. Kierkegaard examines the biblical story of Abraham, who was instructed to sacrifice his son Isaac, and forces us to consider Abraham's state of mind. What drove Abraham, and what made him carry out such an absurd and extreme request from God? Kierkegaard argues that Abraham's agreement to sacrifice Isaac, and his suspension of reason, elevated him to the highest level of faith. 

The Consolation of Philosophy is one of the key works in the rich tradition of Western philosophy, partly because of the circumstances in which it was written. Anicius Manlius Severinus Boethius (c480-c524) was of aristocratic Roman birth and became consul and then master of offices at Ravenna, one of the highest posts under the Ostrogothic Roman ruler Theodoric. But Boethius was unjustly charged with treason in 524, and this led to house arrest, then torture and execution.

The most translated book in the world after the Bible, the Tao Te Ching, or “Book of the Tao,” is a guide to cultivating a life of peace, serenity, and compassion. Through aphorisms and parable, it leads readers toward the Tao, or the “Way”: harmony with the life force of the universe. Traditionally attributed to Lao-tzu, a Chinese philosopher thought to have been a contemporary of Confucius, it is the essential text of Taoism, one of the three major religions of ancient China.

The publication of a new translation by Fagles is a literary event. His translations of both the Iliad and Odyssey have sold hundreds of thousands of copies and have become the standard translations of our era. Now, with this stunning modern verse translation, Fagles has reintroduced Virgil's Aeneid to a whole new generation, and completed the classical triptych at the heart of Western civilization.

How should parents raise children, and how should schools educate children? Why are we attracted to things that are forbidden? What is time? How can we understand God, or the nature of evil? What is true friendship? To answer these questions, Professors Cook and Herzman look to the Confessions of St. Augustine of Hippo.

Gerald G. May, MD, one of the great spiritual teachers and writers of our time, argues that the dark "shadow" side of the true spiritual life has been trivialized and neglected to our serious detriment. Superficial and naively upbeat spirituality does not heal and enrich the soul. Nor does the other tendency to relegate deep spiritual growth to only mystics and saints. Only the honest, sometimes difficult encounters with what Christian spirituality has called and described in helpful detail as "the dark night of the soul" can lead to true spiritual wholeness. 

The City of God is one of the most important works of Christian history and philosophy ever written. The writings of St. Augustine are as intriguing to the casual reader as it is to Christian researchers. St. Augustine's work provides insight into Western thought and the development of Western civilizations. The City of God provides the reader with an artful contrast between earthy cities and those in heaven as a representation of the eternal struggle between good and evil. The City of God was originally penned in the early 5th century as a response to the prevalent belief that Christianity was to blame for the fall of Rome. St. Augustine is known as one of the most influential Fathers of the Catholic Church. Born November 13, 354, Augustine would eventually be recognized as a Saint by the Catholic Church, the Eastern Christian Church, and the Anglican Communion.