Laura Marsh Books

Koalas

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An introduction to koalas covers where they live, what they eat, and how they communicate. It follows the animal's development from cub to adult.

National Geographic Kids Alligators and Crocodiles

By Laura Marsh

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National Geographic Kids Pyramids

By Laura Marsh

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Owls (National Geographic Kids Readers, Level 1)

By Laura Marsh

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In this level 1 reader, young readers will explore the feathery world of adorable owls. Follow these curious-looking creatures through their wooded habitats, and learn how owls raise their young, h...

Owls (National Geographic Kids Readers, Level 1)

By Laura Marsh

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Sea Otters (National Geographic Kids Readers, Level 1)

By Laura Marsh

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In this level 1 reader, young readers will explore the fun-filled world of lovable otters. Follow these playful critters through their aquatic habitats, learn how otters raise their young, and disc...

Lions (National Geographic Kids Readers, Level 1)

By Laura Marsh

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Roar with lions in this exciting reader. Through beautiful and engaging photos, kids will learn all about these majestic big cats. This level 1 reader is carefully leveled for an early independent...

Lions (National Geographic Kids Readers, Level 1)

By Laura Marsh

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Roar with lions in this exciting reader. Through beautiful and engaging photos, kids will learn all about these majestic big cats. This level 1 reader is carefully leveled for an early independent...

Alligators and Crocodiles (National Geographic Kids Readers, Level 2)

By Laura Marsh

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A pair of eyes lurks just above the water's surface. Is it a crocodile or an alligator? Packed with beautiful and engaging photos, kids will learn all about these two reptiles—and find out wh...

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.