With over 1,000,000 copies sold in 18 languages, Fr. Philippe's writings on themes such as prayer, interior freedom, and peace of heart have become modern classics of Catholic spirituality. Explore these books with this complete set of Fr. Philippe's published works. Each one is a gem in its own right. The collection of all twelve books, including the latest "Nine Days to Welcome Peace", provides food for your prayer and spiritual life for many years to come.