Justine Fontes Books

Benito Runs Surviving Southside

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The fifth Musketeer

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Against the odds, a peasant boy in seventeenth-century France strives to become one of the famous swordsmen known as the Musketeers, and the reader is asked to make choices throughout the story to...

Scooby Doo Carnival of Mystery Book and Decoder

By Justine Fontes, MADA Design

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Barbie and the Diamond Castle Panorama Sticker Storybook

By Mattel Photo Studio, Ruth Koeppel

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Barbie in a mermaid tale

By Justine Fontes

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Barbie

By Justine Fontes

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Barbie In Princess Prep School A Panorama Sticker Storybook

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Funnie Mysteries

By Justine Fontes

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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.