Written "that such as have not ready access to larger works on these subjects may be informed of the solid grounds on which the principles of federal obligation rest, and that those who are desirous of union throughout the churches may have exhibited an approved basis of Scriptural fellowship, and co-operation for the advancement of the Redeemer's kingdom."

Topics dealt with include an introduction to the nature of covenanting, descending covenant obligation, the permanent obligation of the Solemn League and Covenant, covenant renewal and its effects, duties of the covenanters and much more.