Ken Lewis Books

The Official Exceptions to the Rules of Golf: A Rule Book That Lets You Play Golf Your Way
Giant Monster Rampage
Giant Monster Rampage

By Ken Lewis

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Software pricing for profit and growth in name of geographic areas
Circle of Peace
Circle of Peace

By Ken Lewis, Trevor Dennis

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How to transform your company and enjoy it
How to transform your company and enjoy it

By Ken Lewis

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How to Transform Your Company and Enjoy It! is the account of how the Chief Executive of a British firm broke the traditional mould, and transformed a small engineering business into a model compan...

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Related Articles from our Blog

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.

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