Carla Martell Books

Pero ?por que no te duermes? Why Won't You Sleep?

By Adam Wallace Carla Martell Il. Rocio Rincon Fernandez Trad.

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¿No puedes dormir? A veces es difícil conciliar el sueño, pero no te preocupes, ¡sé cómo conseguir que te canses!   Un álbum ilustrado repleto d...

Why Won t You Sleep

By Carla Martell, Adam Wallace

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Duck Goes Meow

By Juliette MacIver, Carla Martell

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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.