John Cleare Books

On Foot in Pennines
On Foot in Pennines

By Roland Smith, Cleare

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Reptiles
Reptiles

By Belinda Weber

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Learn about alligators, lizards, snakes, and more through fun facts and easy projects.

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Epic Adventure Epic Climbs Epic Adventures
Distant Mountains
Distant Mountains

By John Cleare

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The world guide to mountains and mountaineering
John Cleare's fifty best hill walks of Britain.
Fifty Best Hill Walks of Britain
Scrambles amongst the Alps
Trekking
Trekking

By John Cleare

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Climbing the world's 14 highest mountains

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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.

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