- “A Man’s Guide to Spiritual Disciplines” by Patrick Morley, and
- “Celebration of Discipline” by Richard Foster.
At the end of the study, the group decided to put into practice what was learned by dedicating time every day over Lent in 2013 to focus on selected Disciplines. This amounts to 40 days not counting Sundays. This was the birth of “40 Days of Discipline”. Soon other members of the church joined the journey and now, in the ninth year there are participants across the globe.