Jose Villarrubia Books

Peter Parker feels there is nothing left to fight for and even forgets what it was like to don the red and blue and swing through the night sky, but everything changes when an old friend shows up o...

Alan Moore

By Leah Moore, Jose Villarrubia

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Batman Begins

By Scott Beatty, Serge LaPointe, Killian Plunkett, Jose Villarrubia

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Koan Paintings by Jon J.Muth and Kent Williams

By Jon J. Muth, Jose Villarrubia

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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.