Christopher John Books

In a future world where civilization has collapsed, fourteen-year-old Ben sets out on a journey to discover his birthright, and meets members of a technologically advanced remnant, who use machines...

Death of Grass

By Sam Youd

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The Prince in Waiting

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Beyond the Burning Lands

By Sam Youd

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The Sword of the Spirits

By Sam Youd

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The White Mountains

By Sam Youd

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The City of Gold And Lead

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The Pool of Fire

By Sam Youd

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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.