Jillian Harker Books

When Mother Hen feels hungry one morning, she leaves her egg in a soft, warm place while she looks for a snack. But Horse accidently nudges the egg with his smooth, velvety nose, and the barnyard c...

I Love You Grandma Padded Large Learner

By Jillian Harker, Kristina Stephenson

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Let s share

By Jillian Harker

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Fun story to introduce children to everyday manners.

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.