Sue Porter Books

Baa, baa, black sheep

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A black sheep has three bags full of wool--each intended for a different person. With press-out figures on board pages which fold out into a continuous strip.

My Little Rabbit tale

By Sue Porter

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Describes Little Rabbit's day, including waking up, going to the doctor, shopping, and making friends, in words and pictures.

Our Class

By Rose Impey, Sue Porter

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The Puzzle Factory

By Sue Porter, Roy Porter

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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.

Sue Porter Books

Baa, baa, black sheep

My Little Rabbit tale

Our Class

My little rabbit

It s me Parsnip

Parsnip

The Puzzle Factory

One Potato

Mouse Mischief

Moose music.

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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?