Ronald J. Rychlak Books

A relentless band of propagandists has convinced much of the world that Pope Pius XII and the Catholic Church, in the face of the great moral crisis of the twentieth century, were little more than...

Environmental Law

By Ronald J. Rychlak

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Environmental Law

By Ronald J. Rychlak

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American Law from a Catholic Perspective

By Ronald J. Rychlak

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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.