J. Gary Millar

J. Gary Millar is a Northern Irish Old Testament scholar and Anglican minister of the contemporary evangelical tradition, shaped by historic Reformation theology.

He has written and taught extensively on Deuteronomy, the Psalms, and biblical theology, serving in theological colleges in Ireland and Australia. His work is marked by a close reading of the text alongside a concern for its theological and pastoral implications. Millar has also contributed to accessible commentaries that aim to serve working pastors.

He is valued for clarity, warmth, and an ability to show how Old Testament theology feeds Christian faith and obedience. Millar keeps the covenantal storyline in view and writes with confidence in the unity of Scripture. Those preparing to preach will find his work both steadying and stimulating.

Theological Perspective: Reformed

J. Gary Millar

J. Gary Millar is a Northern Irish Old Testament scholar and Anglican minister of the contemporary evangelical tradition, shaped by historic Reformation theology.

He has written and taught extensively on Deuteronomy, the Psalms, and biblical theology, serving in theological colleges in Ireland and Australia. His work is marked by a close reading of the text alongside a concern for its theological and pastoral implications. Millar has also contributed to accessible commentaries that aim to serve working pastors.

He is valued for clarity, warmth, and an ability to show how Old Testament theology feeds Christian faith and obedience. Millar keeps the covenantal storyline in view and writes with confidence in the unity of Scripture. Those preparing to preach will find his work both steadying and stimulating.

Theological Perspective: Reformed

Reset

Calling on the Name of the Lord

Mid-levelBusy pastors, General readers, Pastors-in-trainingStrong recommendation
8.3

Summary

This book explores a central expression of faith, calling on the name of the Lord. It treats that phrase as more than a religious slogan. Instead, it is presented as a thread running through Scripture that reveals what true worship is, what saving faith looks like, and how the people of God live as those who depend on divine mercy. The approach is biblical theological. It aims to show the shape of the theme across the canon rather than offering a narrow study of one passage.

The writing is direct and pastor friendly. It invites the reader to see calling on the Lord as a covenantal reality, tied to promise, prayer, confession, and public allegiance. This makes it useful for preachers, because the theme naturally sits at the intersection of doctrine and devotion. It can shape sermons on prayer, assurance, mission, and the nature of the church.

Strengths

First, the theme is handled with a strong instinct for Scripture. The author shows how the phrase functions in key moments of the biblical story, not as a decorative line, but as a marker of true worship and saving dependence. That helps readers avoid sentimentalising prayer. Calling on the Lord is presented as an act of faith in a speaking God, grounded in promise and expressed in worship. For pastors, this gives a helpful way to speak about prayer as covenant communion rather than a technique for getting results.

Second, the book brings together a cluster of pastoral concerns. It connects calling on the Lord with repentance, assurance, and mission. The result is a theme that can be applied in many directions without being forced. For example, it helps clarify the difference between casual religious talk and genuine faith. It also helps a church see that to call on the Lord is to take refuge in him, which has implications for how we handle suffering, temptation, and anxiety.

Third, it strengthens preaching by offering a framework for tracing a theme with integrity. Many preachers want to preach biblical theology but fear losing the text. This volume models a way to do it, by attending to the words, their contexts, and their function in the storyline. It gives you confidence to show congregations that the Bible is not a loose anthology, but a unified witness to the Lord who saves.

Limitations

As with other thematic studies, the book must be paired with close exegesis when preparing sermons on specific passages. It will not do the line by line work for you, and it does not aim to handle every debated detail. Some readers may wish for more sustained engagement with alternative scholarly readings of key texts.

In addition, the theme can be so broad that the reader might want sharper guidance on application in particular pastoral scenarios. The author provides strong principles, but the pastor still needs to make the pastoral turn, taking those principles into the concrete situations of a congregation.

Finally, readers who are new to biblical theology may need to learn the rhythm of moving from text to theme and back again. The book is accessible, yet it still expects an attentive reader who wants to follow an argument across Scripture.

How We Would Use It

We would use this book as a sermon preparation companion when preaching texts that speak of prayer, confession, or public allegiance to the Lord. It would also serve well in training settings, especially for helping future leaders connect prayer and theology. For church wide discipleship, it could support a short course on prayer that is rooted in Scripture rather than in technique.

It is also useful for evangelism and assurance. The theme helps clarify what it means to respond to the gospel, and it offers language for inviting people to come to the Lord in faith.

Closing Recommendation

This is a clear, biblically grounded study of a theme that sits near the heart of Christian faith. It will help Bible teachers speak about prayer and faith as covenantal dependence on the saving Lord.

Changed Into His Likeness: A Biblical Theology Of Personal Transformation

Mid-levelBusy pastors, General readers, Lay readers / small groupsStrong recommendation
8.4

Summary

Personal transformation is often discussed in Christian circles, but it can drift into vague language about growth or self improvement. This book offers a biblical theology that aims to define transformation by Scripture, tracing how God changes His people and what that change looks like. It draws attention to the shape of transformation, not merely behaviour, but renewed worship, renewed desires, and a growing conformity to Christ. For pastors, that is essential. Congregations need a vision of sanctification that is realistic, hopeful, and rooted in grace.

The book works across Scripture to show that transformation is not a late add on to salvation. It belongs to the purposes of God, and it is carried forward by His Word and Spirit. That emphasis can steady preaching that calls for holiness without losing the note of gospel comfort.

Strengths

The strength is its biblically defined account of change. It helps you speak about sanctification without reducing it to technique or personality. It also acknowledges the slow and contested nature of growth, which is pastorally important. People can become discouraged when change is uneven. A biblical theology that makes room for struggle, while still holding out real hope, can help shepherds care for the weak.

The book also supports preaching application. It provides categories for speaking about identity, union with Christ, obedience, and perseverance. Those themes can shape sermons that call believers to active obedience while grounding that obedience in the grace and power of God. For discipleship, it can help churches form a shared language about what growth looks like and how it happens.

Limitations

As a thematic study, it will not do the detailed exegetical work for any one passage you preach. You will need to bring its categories to your text and let the text lead the sermon. Some may also wish for more extended practical case studies that show how to apply the theology in counselling or church discipline. The book gives a theological framework, but the pastor must still exercise wisdom in particular situations.

In addition, the study may feel broad at points. That is a necessary feature of biblical theology, but it can leave you wanting more depth in certain texts.

How We Would Use It

We would use this as a resource for preaching series on sanctification, discipleship, or Christian living, and for training leaders who counsel others. It could serve well in a small group where believers want a Scripture shaped account of change, with discussion guided by a pastor. For pastoral care, the categories can help frame conversations about habits, temptation, and discouragement, keeping the focus on Christ and the promised work of God in His people.

This is the sort of book that can quietly improve the health of a church by giving everyone better words for growth.

Closing Recommendation

A clear and pastorally aware biblical theology that helps pastors and churches speak about transformation with realism, hope, and Scriptural precision.

Now Choose Life: Theology and Ethics in Deuteronomy

Mid-levelBusy pastors, Pastors-in-trainingStrong recommendation
8.2
Bible Book: Deuteronomy
Publisher: IVP
Theological Perspective: Broadly Evangelical

Summary

This book offers a theological reading of Deuteronomy that keeps covenant and ethics together. The author treats Deuteronomy as a sermon shaped for a people on the edge of the land, called to love the Lord wholeheartedly and to live as a holy community among the nations. The emphasis is not bare rule keeping, but covenant life rooted in grace, remembrance, and loyalty to the God who redeemed them. The study draws out major motifs such as the heart, the land, the word, and the call to choose life, showing how these themes drive the book ethical instruction. It also shows how Deuteronomy echoes through later Scripture, shaping prophets, psalms, and New Testament teaching, so that its message remains central for understanding biblical discipleship.

Strengths

The strength is its ability to present Deuteronomy as coherent preaching rather than a random legal code. The author clarifies how law functions within covenant, and he helps readers see why obedience is presented as the path of life. This is pastorally important, since Deuteronomy is often mishandled either as harsh legalism or as an embarrassing relic. The book also aids sermon planning by tracing the book structure and by identifying repeated pastoral aims, remember, fear, love, listen, teach, and obey. It draws ethical implications carefully, keeping them connected to worship and to the exclusive loyalty demanded by the Lord. For preachers, the best moments are where Deuteronomy is shown to cultivate the whole person, mind, heart, and community, through the word of God.

Limitations

Readers expecting detailed treatment of every law and historical question will find the focus broader than that. Some complex issues, such as the relationship between Deuteronomic law and later application, are necessarily handled at the level of principles rather than exhaustive detail. At points the book assumes familiarity with covenant categories, which may make it harder for those new to Old Testament theology. The writing is generally clear, but the argument sometimes moves quickly across large sections of Deuteronomy, and it can feel compressed if you are reading without the text open.

How We Would Use It

This is best used when preparing to preach Deuteronomy or when teaching biblical ethics in a way that avoids both moralism and antinomian reactions. We would use it to shape sermon series aims and to keep application rooted in covenant identity and the fear of the Lord. It would also help leaders teaching on discipleship, family instruction, and community life, because Deuteronomy is deeply concerned with forming a people through repeated hearing of the word. Read it alongside the book itself, map out the themes, and then translate the ethical vision into clear gospel shaped exhortation for a modern congregation.

Closing Recommendation

If you want Deuteronomy to sound like living preaching rather than a museum piece, this book will help you teach it with warmth, clarity, and moral seriousness.