Maria Maneru Books

Ja soc gran Ja no porto xumet ni bolquers

By Maria Maneru, Susana Hoslet

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La venganza de Cleopatra

By Maria Maneru, E. Losada, J. Barbero

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Cuentos de miedo y otras pesadillas

By Maria Maneru

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Vampiras Fantasmas y Otras Criaturas

By Maria Maneru

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Brujas Magas Hadas y Hechiceras

By Maria Maneru

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"Este manual te presenta distintas maneras de ocultar secretos y camuflar mensajes, como hacen los espías de verdad. Conocerás métodos para comunicarte que pasarán inadvertidos a los que te rodean....

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.