Gabhor Utomo Books

The Tooth Collector Fairies

By Denise Ditto, Gabhor Utomo

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The Tooth Collector Fairies

By Denise Ditto Satterfield, Gabhor Utomo

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The Cookie House

By Margaret Hillert, Gabhor Utomo

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The Mona Lisa is Missing

By Ramsey Montgomery

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Recover the world’s most famous painting in this interactive book where YOU decide what happens next! Packed with 23 possible endings! Choose Your Own Adventure books–the 4th bestselli...

Casa de Galletitas

By Margaret Hillert, Gabhor Utomo, Eida Del Risco

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Cookie House

By Margaret Hillert, Gabhor Utomo

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I Wish I Were ...

By ABDO Publishing Company Staff, Christina Jordan, Gabhor Utomo, Magic Wagon Staff

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I Wish I Were a Furry Ferret

By Christina Jordan, Gabhor Utomo

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I Wish I Were a Howler Monkey

By Christina Jordan, Gabhor Utomo

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I Wish I Were a Humpback Whale

By Christina Jordan, Gabhor Utomo

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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.