Joseph McKenna Books

Birmingham street names

By Joseph McKenna

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In the midst of life

By Joseph McKenna

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Central Birmingham Pubs

By Joseph McKenna

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Guerrilla warfare in the Irish War of Independence 1919 1921

By Joseph McKenna

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"Beginning with the failed Easter Rising, it continues through the military and political re-organizations, the campaign's battles, and the truce agreements and signing of the Anglo-Irish Treaty. O...

Franklin Roosevelt and the Great Constitutional War

By Joseph McKenna, Marian C. McKenna

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"This new history of Franklin D. Roosevelt and the "Great Constitutional War" is a critical, revisionist portrayal of FDR's personal role in initiating, on the advice of his attorney general, Homer...

Birmingham as it was

By Joseph McKenna

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Windmills of Birmingham and the Black Country

By Joseph McKenna

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Clockmakers & watchmakers of Central England

By Joseph McKenna

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British Blockade Runners in the American Civil War

By Joseph McKenna

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Watch, clock & dialmakers of Birmingham (1547-1900)

By Joseph McKenna

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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.