Jillian Harker Books

Por Favor Gracias

By Jillian Harker

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Mamie je t aime

By Jillian Harker

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Brave Little Deer

By Jillian Harker

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Te quiero mami

By Jillian Harker

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Little Bear can't wait to try some new experiences, and he certainly can't wait to listen to Mommy Bear's advice. But when he realizes that he's taken onmore than he can handle, Mommy Bear is ready...

My First Collection of Songs

By Jillian Harker

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Jake's perfect day

By Jillian Harker

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If you hold my hand

By Jillian Harker

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On My Own

By Jillian Harker

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I Love You Grandma

By Jillian Harker

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Lucky Little Duck

By Jillian Harker

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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.