The Need & the Blessing of Prayer
Karl Rahner SJ
Eight addresses on prayer, originally sermons given in Lent 1946 at St Michael's Church in Munich: Opening our Hearts, The Helper-Spirit, The Prayer of Love, Prayer in the Everyday, The Prayer of Need, Prayers of Consecration, The Prayer of Guilt, Prayers of Decision. With an introduction discussing Rahner's thought and contributions.
paperback pp 101