Book Four
The External Means or Aims by Which God
Invites Us Into the Society of Christ
​and Holds Us Therein

​The focus of Book 4 of the Institutes is the church.  In this book, Calvin will discuss all aspects of the church including its unity, its worship, its sacraments and all the means the church uses to draw people to Christ.  He will also discuss Civil Government and its relationship to the church.