John Dillenberger Books

The development of Martin Luther's thought was both a symptom and moving force in the transformation of the Middle Ages into the modern world. Geographical discovery, an emerging scientific traditi...

Protestant Christianity

By John Dillenberger, Claude Welch

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Revitalizing Faith Through Pastoral Counseling

By John Dillenberger, LaMothe

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The visual arts and Christianity in America

By John Dillenberger

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Protestant thought and natural science

By John Dillenberger

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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.