Rhiannon Packer Books

Cyfres Tonic

By Rhiannon Packer

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Gwir pob gair

By Rhiannon Packer

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999

By Rhiannon Packer

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999

By Rhiannon Packer

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Bach

By Rhiannon Packer

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What are the most popular insects in gardens, in trees and in the air? How do you look for them in a responsible manner? The answers are to be found in this colourful book, which is full of fascina...

Gofalus

By Rhiannon Packer

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What dangerous creatures live in water? Why are they dangerous? This book is full of fascinating facts about animals as varied as the piranha, stone fish, crocodile, hippopotamus, jelly fish and sh...

Gwastraff

By Rhiannon Packer

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Llyfr Gweithgareddau

By Non Ap Emlyn, University Of Wales Aberystwyth Centre For Educational Studies Staff, Curriculum And Assessment Authority For Wales Staff Qualifications, Rhiannon Packer

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I Mongolia mewn fan hufen ia

By Rhiannon Packer

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Taith Iaith Eto 3

By Non Ap Emlyn, Elen Roberts, Andrew Gaunt, Rhiannon Packer

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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.