John Gillham Books

Walking is one of Britain's favourite leisure activities, and this comprehensive walking book for Wales guides you through the best places to walk in this exciting and vibrant country. Discover his...

AA 100 Walks in Heart of England

By VARIOUS

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Wales

By John Gillham

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"This fantastic activity guide from the AA tells you the best places to visit in Wales and includes mapped walks, cycle rides and car tours. Inside you'll find easy-to-use and modern layouts with c...

Wales

By John Gillham

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Snowdonia to the Gower

By John Gillham

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Bowland and the South Pennines

By Phil Iddon, John Gillham

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Bowland Dales Traverse

By John Gillham

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Pennine Walks

By John Gillham

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Lakeland to Lindisfarne

By John Gillham

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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.