Classics with text and audio:
Abandonment to Divine Providence - by Jean-Pierre de Caussade
Absolute Surrender - by Andrew Murray
All of Grace - by C. H. Spurgeon
Ascent of Mount Carmel - by St. John of the Cross
Autobiography of George Fox
Autobiography of Madame Guyon
Christian's Secret of a Happy Life - by Hannah Whitall Smith
Cloud of Unknowing - by Anonymous
Commentary on St. Paul's Epistle to the Galatians - by Martin Luther
Dark Night of the Soul - by St. John of the Cross
Deeper Christian Life - by Andrew Murray
Foxe's Book of Martyrs
Imitation of Christ - by Thomas à Kempis
In His Steps - by C. M. Sheldon
In Praise of Folly - by Desiderius Erasmus
Institutes of the Christian Religion - by John Calvin
Introduction to the Devout Life - by St. Francis of Sales
Jonathan Edwards selected sermons
Journal of John Wesley - by John Wesley
Life of God in the Soul of Man - by Henry Scougal
Of the Mortification of Sin in Believers - by John Owen
On Loving God - by St. Bernard of Clairvaux
Practice the presence of God - Brother Lawrence
Pilgrim's Progress - John Bunyan
Power Through Prayer - by Edward M. Bounds
School of Obedience - by Andrew Murray
Short and Easy Method of Prayer - by Madam Guyon
Spiritual Exercises - St. Ignatius of Loyola
Spirit of Prayer - by William Law
St. Augustine's City of God and Christian Doctrine - by Philip Schaff
The Apostolic Fathers with Justin Martyr and Irenaeus - by Philip Schaff
Unspoken Sermons - by George MacDonald
Weapon of Prayer - by Edward M. Bounds
With Christ in the School of Prayer - by Andrew Murray
Absolute Surrender - by Andrew Murray
All of Grace - by C. H. Spurgeon
Ascent of Mount Carmel - by St. John of the Cross
Autobiography of George Fox
Autobiography of Madame Guyon
Christian's Secret of a Happy Life - by Hannah Whitall Smith
Cloud of Unknowing - by Anonymous
Commentary on St. Paul's Epistle to the Galatians - by Martin Luther
Dark Night of the Soul - by St. John of the Cross
Deeper Christian Life - by Andrew Murray
Foxe's Book of Martyrs
Imitation of Christ - by Thomas à Kempis
In His Steps - by C. M. Sheldon
In Praise of Folly - by Desiderius Erasmus
Institutes of the Christian Religion - by John Calvin
Introduction to the Devout Life - by St. Francis of Sales
Jonathan Edwards selected sermons
Journal of John Wesley - by John Wesley
Life of God in the Soul of Man - by Henry Scougal
Of the Mortification of Sin in Believers - by John Owen
On Loving God - by St. Bernard of Clairvaux
Practice the presence of God - Brother Lawrence
Pilgrim's Progress - John Bunyan
Power Through Prayer - by Edward M. Bounds
School of Obedience - by Andrew Murray
Short and Easy Method of Prayer - by Madam Guyon
Spiritual Exercises - St. Ignatius of Loyola
Spirit of Prayer - by William Law
St. Augustine's City of God and Christian Doctrine - by Philip Schaff
The Apostolic Fathers with Justin Martyr and Irenaeus - by Philip Schaff
Unspoken Sermons - by George MacDonald
Weapon of Prayer - by Edward M. Bounds
With Christ in the School of Prayer - by Andrew Murray