Grace, assurance and Christian character are treated through Reformed theology in Sinclair Ferguson’s books. The Whole Christ examines legalism, antinomianism and the assurance of salvation through an eighteenth-century Scottish theological controversy, while Devoted to God focuses on sanctification through New Testament passages. The Christian Life provides a broader introduction to doctrine and spiritual growth, and books such as Maturity and In Christ Alone gather shorter pastoral teaching. Ferguson’s prose is careful, warm and more historically rooted than quick motivational Christian writing, drawing on Reformation and Puritan sources as well as Scripture. The strongest shelf associations are Reformed theology, Christian living, sanctification and pastoral devotional reading. Read more Less