Martin I. Klauber Books

The Great Commission

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Historians of the Christian Tradition

By Martin I. Klauber, Michael Bauman

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Between reformed scholasticism and pan-Protestantism

By Martin I. Klauber

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The enlightened orthodoxy of Jean-Alphonse Turretin, professor of theology at the Academy of Geneva, represents an important development in the Reformed theology of Geneva. His career reflected the...

The Synod of Dort

By Christopher B. Brown, Joel R. Beeke, Martin I. Klauber, Gordon Bruce, Gunter Frank

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The theology of the French Reformed churches

By Martin I. Klauber

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Theology of Early French Protestantism

By Martin I. Klauber, Richard A. Muller

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.