These notes have been written for use in church study and discussion groups. They could prove to be useful in ecumenical groups where the members come from a variety of churches - or even from no church at all. The aim is to encourage exploration and debate about issues which go right to the heart of Christian belief and practice. Some of the questions raised are controversial: but controversy can be creative in itself. The brief introduction to each of the twenty-two topics is followed by a number of points for discussion.