Isabel Collazo Books

Insolitas

By Celia Ano, Mar Hernandez, Andrea Prieto Perez, Leticia S. Murga, Fani Alvarez, Patricia Macias, Isabel Collazo, Marina Tena Tena, Ana Moran Infiesta

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Los Ninos del reencuentro

By Isabel Collazo

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"Este libro es una contribución muy importante para la construcción de la memoria y la historia de este viaje, donde se sintetiza una parte de la lucha contra la dictadura. Las autoras investigan e...

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.