From mission and theology to missional theology -- The Missio Dei: a mission theology for after christendom -- The christological formation of missional practice -- The church as missional community -- The Nicene marks in a post-christendom church -- The missional authority of scripture -- The scriptural formation of the missional community -- The worthy walk of the missional community after christendom -- Missional leadership for the formation of the community's worthy walk -- Missio Dei: integrating theological formation for apostolic vocation -- Missional ecumenism: the vision and the challenge.