This volume brings together in one compilation three classic books from the Church of England\'s Doctrine Commission:We believe in God (1987) We believe in the Holy Spirit (1991) The mystery of salvation (1996)Stephen Sykes, Chair of the Doctrine Commission, has provided an extensive foreword and commentary on the three books setting them within their historical context and exploring the theological background to the original publications. A comprehensive index has also been incorporated which provides a helpful tool for locating important doctrinal comment by key scholars including Rowan Williams, Richard Bauckham, Christina Baxter and John Polkinghorne.