Offering a fresh approach to one significant aspect of the soteriology of Thomas Aquinas, God's Grace and Human Action brings new scholarship and insights to the issue of merit in Aquinas's theology. Through a careful historical analysis, Joseph P. Wawrykow delineates the precise function of merit in Aquinas's account of salvation. Wawrykow accounts for the changes in Thomas's teaching on merit from the early Scriptum on the Sentences of Peter Lombard to the later Summa theologiae in two ways. First, he demonstrates how the teaching of the Summa theologiae discloses the impact of Thomas's profound encounter with the later writings of Augustine on predestination and grace. Second, Wawrykow notes the implications of Thomas's mature theological judgment that merit is best understood in the context of the plan of divine wisdom. The portrayal of merit in sapiential terms in the Summa permits Thomas to insist that the attainment of salvation through merit testifies not only to the dignity of the human person but even more to the goodness of God.

A new approach to the idea of grace. The author isolates certain common themes consistently present in the traditional language of grace and reinterprets them in terms of the concept of liberation.

Paul and the Gift transformed the landscape of Pauline studies upon its publication in 2015. In it, John Barclay led readers through a recontextualized analysis of grace and interrogated Paul’s original meaning in declaring it a “free gift” from God, revealing grace as a multifaceted concept that is socially radical and unconditioned—even if not unconditional. Paul and the Power of Grace offers all of the most significant contributions from Paul and the Gift in a package several hundred pages shorter and more accessible. Additionally, Barclay adds further analysis of the theme of gift and grace in Paul’s other letters—besides just Romans and Galatians—and explores contemporary implications for this new view of grace.

This fresh approach to theological anthropology applies patristic wisdom to contemporary discussions of what it means to be human.

Many scholars assume that Luther advocates for a Christian life in which human beings are always passive recipients of God’s grace as it is delivered in preaching, and mere instruments through which God works to serve their neighbors. The Work of Faith: Divine Grace and Human Agency in Martin Luther's Preaching offers a different reading of Luther’s views on human agency by drawing on a fresh source: Luther’s preaching. Using Luther’s sermons in the Church Postil as a primary source, Justin Nickel argues that Martin Luther preached as though Christians have real, if secondary, agency in the lives they lead before God and neighbor. As a result, Nickel presents a Luther substantively concerned with how Christians lead their lives.