Lent is more than reading but reading can set the stage.
My own recommendation is Left To Tell, Discovering God Amidst the Rwandan Holocaust by Immaculee Ilibagiza.
Linking for Lent:
Fr.Raniero Cantalamessa, ofmacp:
The Word of God in the Life of Christ
The Spiritual Reading of the Bible
Happy Catholic: Julie’s Lenten Reading
The Anchoress: Lenten Reading Suggestions
The Deacon’s Bench: Ash Wednesday Homily