Sergio Lairla Books

La Carta de La Seora Gonzalez

By Ana G. Lartitegui, Sergio Lairla

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Abel and the wolf

By Sergio Lairla

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Abel leaves his loving home to make his way in the world, builds a house near a woodland brook, and tries to make friends with the powerful, jealous, and angry wolf who owns the woods.

Abel and the wolf

By Sergio Lairla

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Abel leaves his loving home to make his way in the world, builds a house near a woodland brook, and tries to make friends with the powerful, jealous, and angry wolf who owns the woods.

Wolf und Abel

By Alessandra Roberti, Sergio Lairla, Karl Ruhmann

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Miscellaneous Children s Hardbacks

By Sergio Lairla, Lairla

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30 unnumbered pages : 24 cm

El ciempies metepatas The Blundering Centipede Facil De Leer Easy to Read

By Sergio Lairla

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El boton Anton y la botona Ramona

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El Charco Del Principe Andreas the Puddle of Prince Andrew

By Sergio Lairla

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La carta de la senora Gonzalez

By Ana Gonzalez Lartitegui, Sergio Lairla Perez

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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.