Laura Marsh Books

Animal Armor (National Geographic Kids Readers, Level 1)

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Get to know scales, shells, and other kinds of amazing animal armor in this engaging Level 1 Reader from National Geographic Kids, now with more than 125 books from Pre-reader to Level 3 in the ser...

Animal Armor (National Geographic Kids Readers, Level 1)

By Laura Marsh

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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...

Foxes (National Geographic Kids Readers, Level 2)

By Laura Marsh

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Mysterious, cunning, smart, and sleek, foxes are one of kids' favorite animals. Learn all about this fantastic forest canine!Packed with beautiful and engaging photos, this new leveled reader dives...

Foxes (National Geographic Kids Readers, Level 2)

By Laura Marsh

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Deadly Animals Collection (National Geographic Kids Readers, Levels 1, 2, & 3)

By Laura Marsh

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Follow ferocious predators as they stalk, chase, and ambush prey. Investigate what makes these animals some of the most incredible hunters, including their teeth, claws, hunting methods,...

Deadly Animals Collection (National Geographic Kids Readers, Levels 1, 2, & 3)

By Laura Marsh

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Follow ferocious predators as they stalk, chase, and ambush prey. Investigate what makes these animals some of the most incredible hunters, including their teeth, claws, hunting methods,...

National Geographic Readers: Las Abejas (L2)

By Laura Marsh

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¿Qué es ese zumbido? ¡Es una abeja! Con imágenes hermosas, divertidas y auténticas, y un texto comprensible, los niños aprenderán sobre estos incre&i...

National Geographic Readers: Las Abejas (L2)

By Laura Marsh

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¿Qué es ese zumbido? ¡Es una abeja! Con imágenes hermosas, divertidas y auténticas, y un texto comprensible, los niños aprenderán sobre estos incre&i...

Great Migrations Butterflies (National Geographic Kids Readers, Level 3)

By Laura Marsh

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The monarch butterfly, one of the most seemingly delicate of all of nature’s animals, proves to be one of the toughest in this reader. Making the yearly trip from the Northern United States 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.