Stephanie McLellan Books

Sully Messed Up

By Stephanie McLellan

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Chicken Cat

By Sean Cassidy, Stephanie Simpson McLellan

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Hoogie in the middle

By Stephanie Simpson McLellan

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Sometimes Hoogie feels like the hole in the middle of a donut. She isn't big and dependable like her sister Pumpkin. She isn't tiny and sweet like her brother Tweezle. She's just Hoogie. Every day...

Tweezle into Everything

By Dean Griffiths, Stephanie McLellan

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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.