Clara Penalver Books

Hoy estoy... Triste Today I Feel Sad

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Hoy estoy... Triste es un libro de la serie «Hoy estoy...», una colección de cuentos para trabajar las emociones con los más pequeños.Una historia sencilla, dulce y...

Sangre

By Clara Penalver

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El juego de los cementerios

By Clara Penalver

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$La fractura del reloj de arena$

La fractura del reloj de arena

By Clara Penalver

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Como matar a una ninfa

By Clara Penalver

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Sublimacion

By Clara Penalver

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Sangre

By Clara Penalver

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Las voces de Carol

By Clara Penalver

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Como matar a una ninfa

By Clara Penalver

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A novel.

Hoy estoy... Celoso Today I'm Jealous

By Clara Penalver Nune Martinez

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Hoy estoy... Celoso es un libro de la serie «Hoy estoy...», una colección de cuentos para trabajar las emociones con los más pequeños.Una historia sencilla, dulce y...

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.