William A. Donohue Books

The most visible representative of the Catholic Church in the United States shows how the Church is far from being an ossified carry-over tradition from antiquity. Why Catholicism Matters celebrate...

Why Catholicism Matters

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In recent years the Catholic Church has gone through turbulent times with the uncovering of horrible abuse--abuse that persisted and which could have been prevented by many within the Church’s own...

New Freedom

By William A. Donohue

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Secular sabotage

By William A. Donohue

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"America's cultural traditions are under attack in the name of tolerance and our heritage will be lost unless we dare to fight back"--Provided by the publisher

Secular Sabotage

By William A. Donohue

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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.