One of the most influential of the Reformed catechisms is the Heidelberg Catechism (also known as the Palatinate Catechism). Combining the best of Lutheran and Reformed teaching, and counteracting the teachings of the Roman Catholic Church, it is an instructional manual on the basics of the Protestant Christian faith. The Heidelberg Catechism is divided into 52 sections (called Lord’s Days), and includes 129 questions on the faith, divided into three parts: The Misery of Man; The Redemption of Man; and The Gratitude Due from Man.

In this volume, which serves as a companion to IVP Academic’s Reformation Commentary on Scripture series, Reformation scholar Karin Maag takes readers inside the worshiping life of the church during this era. Drawing from sources across theological traditions, she explores several aspects of the church’s worship, including what it was like to attend church, reforms in preaching, the function of prayer, how Christians experienced the sacraments, and the roles of both visual art and music in worship.

Study the thought and legacy of the Reformation with the Texts and Studies in Reformation and Post-Reformation Thought series. Featuring a mix of primary source documents—including Calvin’s The Bondage and Liberation of the Will—and monographs from the world’s leading Reformation scholars, each book in this series examines an essential aspect of Reformation and post-Reformation era theology.

The Reformed Gold Library makes your study of the Bible easier by connecting your entire library of books to a robust set of study tools. The Reformed Gold Library provides a comprehensive Bible study library. Contained are hundreds of resources including ESV Expository Commentary Series Collection | ESVEC (11 vols.), Opening Up Commentary Series (47 vols.), Reformed Expository Bible Studies | REBS (15 vols.), alongside other resources ideal for sermon prep or more advanced Bible study.

The Reformed Platinum Library makes your study of the Bible easier by connecting your entire library of books to a robust set of study tools. The Reformed Platinum Library is a great entry point for academic study or more advanced exegesis and sermon prep. With over 1100 resources, the Reformed Platinum Library includes fantastic resources such as SIL Exegetical Summary Series | SILES (34 vols.), Reformed Expository Commentary Series | REC (38 vols.), Hendriksen & Kistemaker New Testament Commentary | HK (18 vols.), and many more.

The Reformed Portfolio library makes your study of the Bible easier by connecting your entire library of books to a robust set of study tools. The Reformed Portfolio Library takes everything in the Reformed Diamond Library and adds even more to your library. The Reformed Portfolio LIbrary contains key sets including Tyndale Commentaries | TOTC/TNTC (47 vols.), Barth’s Church Dogmatics (31 vols.), The Works of Jonathan Edwards (41 vols.), Pillar New Testament Commentary | PNTC (17 vols.), and many more. The Reformed Portfolio Library is excellent for academic research or advanced exegesis.

The Eerdmans Theology & Biblical Studies Collection brings together forty volumes examining a wide variety of topics, theological, biblical, and historical. Ranging from commentaries to studies of recent theologians and from ethics to biblical hermeneutics, each volume includes thoughtful and compelling discussion. Gain new insights into biblical theology, evangelism, or church history. Understand better how John the Apostle presented the life of Jesus the Messiah in his Gospel. All together, these volumes represent some of the best of the William B. Eerdmans Publishing Company.

In Lifting Hearts to the Lord Karin Maag brings together a wealth of primary sources to examine worship as it was taught and practiced in John Calvin’s Geneva. Enhanced with Maag’s introductions and numerous marginal notes, this volume covers the period from 1541 to 1564, capturing both Calvin’s signal contribution to Reformation worship and the voices of ordinary Genevans as they navigated—and fought about—changes in their worship.

This work examines key aspects of the development of the Heidelberg Catechism, including historical background, socio-political origins, purpose, authorship, sources, and theology. The book includes the first ever English translations of two major sources of the Heidelberg Catechism—Ursinus’ Smaller and Larger Catechisms—and a bibliography of research on the document since 1900. Students of the Reformed tradition and the Protestant Reformation will value this resource.

Our largest package, the 2025 Ultimate Library, provides an incredible library for biblical research and theological reflection. Whether focused on Church history or biblical exegesis, the vast collection of resources and titles at your fingertips cover the gamut—from most devotionals to practical discussions of pastoral ministry to the most rigorous scholarly and academic research. This package has everything you need to engage in the serious study of Scripture and its world, with respected resources like the Library of Hebrew Bible/Old Testament Studies | LHBOTS (382 vols.) and top-tier exegetical commentaries like the New International Commentary on the Old and New Testament | NIC (51 vols.).

A herança da Reforma é de profunda importância para a Igreja hoje, mas há sérias lacunas em seu conhecimento atual. A compreensão e a apropriação dessa herança só podem ocorrer por meio da publicação de obras significativas que apresentem a amplitude e o detalhe do pensamento dos reformadores e de seus sucessores. Muito aproveitará a igreja com o estudo dessa obra, que fortalecerá as suas bases e promoverá a piedade dos crentes.

The Reformed Diamond Library makes your study of the Bible easier by connecting your entire library of books to a robust set of study tools. The Reformed Diamond Library takes everything in the Reformed Platinum Library and adds even more to your library, with scholarly series like Wiley Blackwell Bible Commentaries | WBBC: Old and New Testament (22 vols.), The IVP Bible Dictionaries (8 vols.), UBS Handbooks Series: Old Testament, New Testament, and Deuterocanonical Books (66 vols.), and New Growth Press Minibook Collection (157 vols.). With over 2200 volumes of advanced biblical reference works, this is an ideal package for anyone doing academic research or advanced exegesis.

The Eerdmans Ultimate Collection includes resources for study in Bible, theology, history and more. These resources come from well-received series such as Theological Dictionary of the New Testament (TDNT), New International Commentary (NIC), Pillar New Testament Commentary (PNTC), Forms of Old Testament Literature (FOTL), New International Greek Testament Commentary (NIGTC), among others as well as outstanding stand-alone volumes. Your studies will be enriched with titles from scholars such as D.A. Carson, Douglas Moo, Leon Morris, Joel B. Green, J. Gordon McConville, and more.

Study the heir of Luther’s legacy—Philip Melanchton. An enormously gifted theologian, Melancthon was a moderating voice in Lutheranism. Though his life and influence have not received the same attention as other Reformers, this collection of essays begins to rectify that short coming. They address Melancthon’s standing among both Lutherans and Reformed theologians, pinpointing where Melanchthon exercised his greatest influence.

This collection of InterVarsity Press resources from 2021 features commentaries, biblical studies, and theological studies. Resources included in this collection provide readers with a wide array of content on topics including philosophy, counseling, ministry, and more.

The Lutheran Portfolio library makes your study of the Bible easier by connecting your entire library of books to a robust set of study tools. The Lutheran Portfolio Library takes everything in the Lutheran Diamond Library and adds even more to your library. The Lutheran Portfolio LIbrary contains key sets including Anchor Yale Bible Dictionary | AYBD (6 vols.), Stuttgart Scholarly Editions: Core Bundle, Anchor Yale Bible Commentary | AYBC (94 vols.), UBS Handbooks Series: Old Testament, New Testament, and Deuterocanonical Books (66 vols.), and many more. The Lutheran Portfolio Library is excellent for academic research or advanced exegesis.

The Reformation was a time of tremendous upheaval, renewal, and vitality in the life of the church. The challenge to maintain and develop faithful Christian belief and practice in the midst of great disruption was reflected in the theology of the sixteenth century. These volumes serve as companion's to IVP Academic's Reformation Commentary on Scripture. Each of these volumes explore a different topic, taking the reader back to the sixteenth century to explore the thoughts of the Reformers on Scripture, Theology, and Worship.

This far reaching collection includes many of the premiere resources available for biblical study, theology, ministry, history, and more. These resources from Baker Publishing Group feature stand alone volumes as well as dedicated series, with contributions from leading scholars such as Douglas Moo, D.A. Carson, Darrell Bock, Peter Leithart, Thomas Schreiner, and many more. With these resources from trusted guides you will discover new and challenging insights as you dig even deeper in your studies.

The Lutheran Diamond Library makes your study of the Bible easier by connecting your entire library of books to a robust set of study tools. The Lutheran Diamond Library takes everything in the Lutheran Platinum Library and adds even more to your library, with scholarly series like Ancient Christian Commentary on Scripture Complete Set | ACCS (29 vols.), Popular Patristics Series Collection (58 vols.), The Preacher's Commentary Series | TPC (35 vols.), and Spectrum Multiview Book Series (27 vols.). With over 1675 volumes of advanced biblical reference works, this is an ideal package for anyone doing academic research or advanced exegesis.

This collection of InterVarsity Press resources from 2021 features commentaries, biblical studies, and theological studies. Resources included in this collection provide readers with a wide array of content on topics including philosophy, counseling, ministry, and more. Featuring new volumes in the Reformation Commentary on Scripture, Essential Studies in Biblical Theology, and Christian Association for Psychological Studies series, this collection provides the latest in biblical studies and application.

Known for the high quality of its publications, from scholarly commentaries and dictionaries to accessible and practical discussions of important topics for Christian life and practice, InterVarsity Press is a trusted source of Christian scholarship. The InterVarsity Press Ultimate Collection gives you everything you need for bible study, theology and Christian living. Informative, clear, and easy to read, the books included in this collection will demonstrate their value over and over as you delve into the riches of theology and doctrine that tackle many of the topics of the day, shedding new light on beliefs often taken for granted. The InterVarsity Press Ultimate Collection provides something for everyone regardless of their background or experience whether you are a layperson, pastor, student or scholar.

This collection of InterVarsity Press resources from 2021 features commentaries, biblical studies, and theological studies. Resources included in this collection provide readers with a wide array of content on topics including philosophy, counseling, ministry, and more. Featuring new volumes in the Reformation Commentary on Scripture, Essential Studies in Biblical Theology, and Christian Association for Psychological Studies series, this collection provides the latest in biblical studies and ministry.

The InterVarsity Press Academic Research Collection includes a robust 741 volumes to enhance your digital library with content covering biblical commentaries, theology texts, dictionaries, reference materials, counseling, ministry, and many others. Informative, clear, and easy to read, the books included in this collection will demonstrate their value over and over as you delve into the riches of theology and doctrine that tackle many of the topics of the day, shedding new light on beliefs often taken for granted.