Sue Porter Books

McGillycuddy Could!

Average: 0.00, 0 Ratings

Although McGillicuddy the kangaroo cannot produce wool or milk or lay eggs, the other animals learn that kangaroos can bring special skills to the farm.

The Bedtime Beast

By Rose Impey, Sue Porter, Written By Rose Impey

Average: 0.00, 0 Ratings

This book is part of a comical series featuring "slightly bad" children and is intended to be read to four to six-year-olds with a brother or sister. It tells the story of a little Baddy who won't...

Mary's tiger

By Rex Harley

Average: 0.00, 0 Ratings

The tiger in the picture Mary drew and hung on her wall comes down during the night to sleep in her bed.

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.

Sue Porter Books

Moose music.

McGillycuddy Could!

McGillycuddy Could!

The baked bean queen

The toothbrush monster

The Bedtime Beast

The little smasher

One potato.

Mary's tiger

My clothes.

Related Articles from our Blog

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?