Stephanie Warren Drimmer Books

Night Sky (National Geographic Kids Readers, Level 2)

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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...

Brain Games

By Stephanie Warren Drimmer

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Packed with science, puzzles, and tons of fun, this activity book based on the hit National Geographic television show will fire up your neural network!Calling all fans of the Brain Games TV show!...

National Geographic Kids Readers

By Stephanie Warren Drimmer

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Ultimate Secrets Revealed

By Stephanie Warren Drimmer

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The world is full of mind-blowing marvels and this book uncovers our planet's most peculiar phenomena, puzzles from the past, eye-opening inventions, astonishing animals, and so much more!Did you k...

Roar! (National Geographic Kids Readers, Level 3)

By Stephanie Warren Drimmer

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Explore the amazing animals of Africa! Travel through the savanna, jungle, and desert to meet lions, elephants, giraffes, and more animals in this leveled reader about the most popular African safa...

Animal Showdown: Round Two

By Stephanie Warren Drimmer

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Get ready to sink your teeth into more epic animal matchups in this exciting sequel to Animal Smackdown, where even more awesome creature contenders go head-to-head to see who reigns supreme!A grea...

Animal Showdown: Round Two

By Stephanie Warren Drimmer

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Cat Breed Guide

By Stephanie Warren Drimmer

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From the experts who brought you How to Speak Cat, learn all about 71 different cat breeds.From Russian Blues and Munchkins to Maine Coons and Persians, this comprehensive guide gives an overview o...

Ink! (National Geographic Geographic Kids Readers, Level 3)

By Stephanie Warren Drimmer

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Meet cuttlefish that can camouflage themselves, octopuses that outsmart their predators, and squid that patrol the deep in this cool fact-filled reader.Learn everything you've ever wanted to know a...

Ink! (National Geographic Geographic Kids Readers, Level 3)

By Stephanie Warren Drimmer

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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.