In that book he asked the tough questions that churches needed to entertain to begin to think about who they are and what they are doing; in Missional Renaissance, he shows them the three significant shifts in their thinking and behavior that they need to make that will allow leaders to chart a course toward being missional: (1) from an internal to an external focus, ending the church as exclusive social club model; (2) from running programs and ministries to developing people as its core activity; and (3) from professional leadership to leadership that is shared by everyone in the community.