Libby Romero Books

Ibn al-Haytham (National Geographic Kids Readers, Level 3)

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Celebrated in a film featuring Omar Sharif in his final role, meet the scientist known as the "Father of Optics," Ibn al-Haytham!During the golden age of science, knowledge, and invention in Muslim...

Albert Einstein (National Geographic Kids Readers, Level 3)

By Libby Romero

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Explore one of the most recognized scientists in the world with this biography of physicist Albert Einstein. Kids will learn ab...

Ultimate Explorer Field Guide: Insects

By Libby Romero

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This fun, photo-filled, and fact-packed guide to insects will make kids stop and look for all kinds of these crawling and flying creatures right in their own backyards. From bees to beetles, walkin...

Ultimate Explorer Field Guide: Wildflowers

By Libby Romero

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The latest in the Ultimate Explorer line is a hands-on, fun, fact-filled guide to spotting, discovering, and identifying wildflowers in your own backyard. Go ahead--dig in--and don't be afraid to g...

Wildflowers

By Libby Romero

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What do you call a garden filled with lots of flowers? A polli-nation! Nat Geo Kids is back with the newest fact- and photo-filled Ultimate Explorer Field Guide, and this one packs some real flower...

Alexander Hamilton (National Geographic Kids Readers, Level 3)

By Libby Romero

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Fans of American history and the hit Broadway play are sure to enjoy the true story of Founding Father Alexander Hamilton in this Level 3 biographical Reader from National Geographic Kids.Learn all...

Alexander Hamilton (National Geographic Kids Readers, Level 3)

By Libby Romero

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Vikings (National Geographic Kids Readers, Level 2)

By Libby Romero

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Meet the seafaring adventurers, storytellers, and famous figures of Norse history in this new Leveled Reader, perfect for independent readers and kids who love learning about ancient cultures.Learn...

Vikings (National Geographic Kids Readers, Level 2)

By Libby Romero

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Animal Architects (National Geographic Kids Readers, Level 3)

By Libby Romero

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Independent readers will learn all about nature's most amazing builders in this new leveled reader from National Geographic Kids.Ever wondered why beavers build dams? Or how spiders weave their int...

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.