Jorge Aguirre Books

Giants beware

By Jorge Aguirre

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Claudette wants nothing more than to slay a giant but her little village is too safe and quiet.

Monsters beware

By Jorge Aguirre

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Claudette, Marie, and Gaston are no strangers to the struggle against evil. But even as seasoned fighters, nothing could prepare them for the danger their town will face as the host of the Warrior...

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.