John Dalmas Books

Chaos was sweeping the world, governments were on the verge of collapse, the global economy was hitting rock bottom - and then a man appeared, Ngunda Aran, a charismatic speaker who worked in mirac...

The Regiment

By John Dalmas

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Scroll of Man Can

By John Dalmas

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Homecoming

By John Dalmas

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The Yngling

By John Dalmas

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Varkaus Conspiracy

By John Dalmas

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The Walkaway Clause

By John Dalmas

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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.