The free offer of the gospel has been a matter of significant debate within Reformed theology. However, despite this controversy, Reformed theologians such as James Durham preached a gospel offer which was a sincere and free invitation from God to all, to embrace Jesus Christ as Saviour. This gospel offer expressed God's grace and goodness to all. Donald MacLean argues that Durham's doctrinal position is representative of the Westminster Standards and embraced by his contemporaries and evidenced by the later disputes concerning the meaning of the teaching of the Westminster Confession of Faith.

How do we discern a "true" church? Given the current ecclesiastical climate this is an increasingly pressing question. This study looks at how William Perkins, a great seventeenth century Church of England theologian, responded to this issue. Particular focus is given to his understanding of the distinctions between the visible and invisible church, and the marks of a "true" church, namely, word, sacraments and discipline. Judged against these marks, Perkins argued passionately that the Church of England was "a true church of God." He also, in line with traditional Reformed ecclesiology, allowed significant doctrinal and practical decline before a church ceased to be a "true" church. The criteria he outlined for leaving a church amounted to nothing less than the obstinate and persistent overthrow of cardinal Christian doctrine and worship. Perkins' careful teaching calls us to consider our response to declension in the church today. Ultimately his ecclesiology calls us to have a high view of the unity of the visible church, and in many causes to labour for recovery rather than to leave.

It is one of the glories of the gospel that it is universal in scope. There is nothing narrow or limited about the good news of salvation, but we often need reminded of this. When the world seems increasingly hostile the Church can be tempted to retreat in on itself. Donald John Maclean seeks to remind Christians of the fullness and freeness of the gospel, and to encourage them to share it with those who have not yet turned to Christ.