Lesslie Newbigin was arguably the greatest missionary thinker of the twentieth century. After a successful missionary career in south India, Newbigin pioneered missionary engagement with the secular West and resurgent Islam. He also led the way in arguing that the Church's mission can only be understood in light of the doctrine of the Trinity. Over fifty years ago, Newbigin called for the further development of missionary thinking grounded in the Triune being of God. This work is in...