David Shannon Books

Cada vez que David se mete en líos siempre tiene una respuesta: "No es culpa mía". Pero en la hora de acostarse pide perdón a su madre querida. When David gets in trouble, he has excuses right up...

Els Meus Amics Els Pirates

By Agustin Sanchez Aguilar, Melinda Long, David Shannon, Laura Santamaria Guinot

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Els Meus Amics Els Pirates pinyata Aitana

By Agustin Sanchez Aguilar, Melinda Long, David Shannon, Laura Santamaria Guinot

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Mis Amigos Los Piratas

By Agustin Sanchez Aguilar, Melinda Long, David Shannon, Miguel Tristan

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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.