St. Francis de Sales
and St. Mary Magdalene

There are many books that can be recommended to further your spiritual journey in Christ. Authors that immediately come to mind are as follows:

Pope Benedict XVI

Jesus of Nazareth (Part 1: From the Baptism in the Jordan to the Transfiguration)
Jesus of Nazareth (Part 2: Holy Week: From the Entrance into Jerusalem to the Resurrection)
Light of the World: The Pope, the Church and the Signs of the Times
Heart of the Christian Life: Thoughts on the Holy Mass
The Spirit of the Liturgy

C. S. Lewis

The Lion, the witch and the wardrobe
The Great Divorce
Mere Christianity
The Screwtape letters
The Cosmic Trilogy (Out of the Silent Planet, Perelandra and That Hideous Strength)

M. Scott Peck

The road less travelled
People of the lie

Scott Hahn

The Lamb's Supper
Covenant and Communion
A Father Who Keeps His Promises
God's Covenant with You
Lord Have Mercy
(more information: www.scotthahn.com)