Libby Koponen Books

Ireland

By Libby Koponen

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Blow Out the Moon

By Libby Koponen

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Mmm let s eat

By Libby Koponen

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"The colors that various little animal kids notice throughout the day inspire them to eat foods that match those colors. Following this is a brief endnote written by a nutritionist with advice on e...

Is That the Bus?

By Libby Koponen Author Katie Mazeika Illustrator

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Vrrrm! Trucks and other vehicles are zooming by! But in this relatable board book, why is the school bus the one to watch for?One eager little brother is at home, playing alone. He listens and look...

South America

By Libby Koponen

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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.