Stephen K. Ray Books

Crossing the Tiber

By Stephen K. Ray

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Upon this rock

By Stephen K. Ray

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"As an Evangelical Protestant, Stephen Ray realized that the real issue dividing Catholics and Protestants was authority. Everything else was secondary to the issue of authority. Protestants accept...

St. John s Gospel

By Stephen K. Ray

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Mary

By Hans Urs Von Balthasar, Joseph Ratzinger

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The Papacy Learning Guide Catholic Century

By R. Dennis Walters, Stephen K. Ray

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Catholic Faith

By R. Dennis Walters, Stephen K. Ray

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Mary

By Ignatius Press Staff, Stephen K. Ray

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Genesis

By Stephen K. Ray

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Faith for Beginners

By R. Dennis Walters, Stephen K. Ray

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Papacy

By R. Dennis Walters, Stephen K. Ray

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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.