Paul Bede Johnson Books

Pope John XXIII

By Paul Bede Johnson

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Pope John XXIII

By Paul Bede Johnson

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Brief Lives

By Paul Bede Johnson

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Churchill

By Paul Bede Johnson

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From the “most celebrated and best-loved British historian in America” (Wall Street Journal), an elegant, concise, and revealing portrait of Winston ChurchillIn Churchill, eminent historian Paul Jo...

The pick of Paul Johnson

By Paul Bede Johnson

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Statesmen and nations.

By Paul Bede Johnson

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Napoleon Lives

By Paul Bede Johnson, Paul Johnson

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The Renaissance

By Paul Bede Johnson

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The life and times of Edward III.

By Paul Bede Johnson

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Elizabeth I

By Paul Bede Johnson

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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.