Ari Marmell Books

Widdershins tome 1 Le Pacte de la voleuse

By Ari Marmell, Emilie Gourdet

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Darksiders: The Abomination Vault

By Ari Marmell

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Ride with the Horsemen of the Apocalypse as they seek to unearth a plot that could plunge all of Creation into chaos! Ages before the events of Darksiders and Darksiders II, two of the feared Hor...

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.