Patrick Carman Books

Roman d'épouvante Voilà ce qui arrive quand on est trop curieux. Sarah et moi avons voulu percer les mystères de notre ville. ¿ tout prix. Et nous nous sommes fait piéger. Car les secrets enfouis...

Shantorian

By Patrick Carman

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Roman policier Après un dernier test au cours duquel Finn a failli faire une chute qui lui aurait coûté la vie, les Trackers ont été engagés par l'ISD, "International Security Directive". Leur mis...

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.