This part of McGrath's series on Christianity deals primarily with the Holy Spirit. Like the previous parts in this series, McGrath wants to be just a little bit too complete. He deals with all kinds of aspects of this very interesting subject, but jumps from one aspect to another, not really inspiring. This booklet ends up with a somewhat too dry enumeration of aspects of the life of Christian communities: grace, salvation, sin. Contrary to the previous part, sin gets a decent explanation; I had loved more on the essential notion of grace, though. The church as an institution receives a rather ambiguous treatment, while also circumventing the thorny question of the leadership of the Bishop of Rome. ( )