Anna Llenas Books

Te quiero casi siempre. Contrarios

By Anna Llenas

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Si yo fuera un gato. Texturas

By Anna Llenas, Paloma Sanchez Ibarzabal

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Si jo fos un gat

By Anna Llenas, Paloma Sanchez Ibarzabal

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El Monstruo de Colores Kamishibai

By Anna Llenas

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El vacio The Emptiness

By Anna Llenas

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Un poético álbum ilustrado sobre la resiliencia y la capacidad de encontrar sentido a la adversidad.Julia es una niña normal con una vida plena, hasta que de repente nota que t...

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.