John Kettley Books

Weatherman

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Combining autobiography with reflections on extreme weather, this title features personal encounters and interviews with many famous names from the worlds of sport, politics and television. It offe...

Rain Stops Play

By Andrew Hignell, J. A. Mangan, Boria Majumdar, Christopher Martin Jenkins, John Kettley

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How to Build a Business That Creates Wealth

By John Kettley

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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.