John McCallum Books

Unequal beginnings

By McCallum John

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Belonging

By John McCallum

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John McCallums new history explores the relationship between 20th century Australian drama and a developing concept of nation. The book focuses on the creative tension sparked by dueling impulses b...

Controlling inflation

By Clarence L. Barber

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Controlling inflation

By Clarence L. Barber

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Parting as friends

By John MacCallum

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Une rupture a l amiable

By McCallum John

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THE Complete Keys to Progress

By John McCallum

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Six Roads from Abilene

By John McCallum

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The long way home

By John McCallum

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The long way home

By John McCallum

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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.