Laura Marsh Books

De la Oruga a la Mariposa (Caterpillar to Butterfly) (National Geographic Kids Readers, Nivel 1)

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Los niños aprenden sobre la metamorfosis de la oruga a la mariposa en todas las aulas del mundo, empezando en los primeros grados. ¡Pero nunca la han visto así! Con ilustracione...

National Geographic Readers: Los Ponis (Ponies)

By Laura Marsh

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Tiernos y torpes, los ponis son adorados por niños de todo el mundo. No importa si se encuentran en los zoológicos o corriendo libres por las montañas, estos animales son los f...

Los Ponis (Ponies) (National Geographic Kids Readers, Nivel 1)

By Laura Marsh

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Tiernos y torpes, los ponis son adorados por niños de todo el mundo. No importa si se encuentran en los zoológicos o corriendo libres por las montañas, estos animales son los f...

National Geographic Readers: Los Lobos (Wolves)

By Laura Marsh

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Corren en manadas, cazan a sus presas y aúllan frente a la luna. Y no importa dónde estés—siempre están escondidos en algún lugar cerca. Gente de todo el mu...

Los Lobos (Wolves) (National Geographic Kids Readers, Nivel 2)

By Laura Marsh

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Corren en manadas, cazan a sus presas y aúllan frente a la luna. Y no importa dónde estés—siempre están escondidos en algún lugar cerca. Gente de todo el mu...

National Geographic Readers: Grandes Migraciones: Las Ballenas (Great Migrations: Whales)

By Laura Marsh

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En un mundo donde las temperaturas globales están cambiando de forma extrema tanto en la tierra y en el mar, las migraciones anuales de animales de todo tipo son historias de fuerza y volunt...

Pyramids (National Geographic Kids Readers, Level 1)

By Laura Marsh

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Travel to ancient Egypt to learn all about its amazing pyramids in this new National Geographic Kids Reader. The Level 1 text provides accessible, yet wide-ranging, information for beginning reader...

Pyramids (National Geographic Kids Readers, Level 1)

By Laura Marsh

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Night Sky (National Geographic Kids Readers, Level 2)

By Stephanie Warren Drimmer

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Kids will learn all about the night sky, from the moon to constellations to planets, in this new National Geographic Reader. The level 2 text provides accessible, yet wide-ranging information for b...

Tide Pools (National Geographic Kids Readers, Level 1)

By Laura Marsh

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Bright starfish, spiky sea anenomes, sea cucumbers, mussels, and colorful fish! Peek into these vibrant shoreline pools and discover amazing ocean habitats teeming with life!Packed with beautiful a...

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.