Ken Williams Books

Snooker Know the Game

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"In one of the world's most beautiful places, amid swaying palms and ocean breezes, Ken Williams battles death and hopelessness. In There Must Be Honor, Ken takes readers on a journey behind the go...

Marriage Advice to Jake and Amber

By Ken Williams

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Chocolate Cake Phenomenon

By Ken Williams

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Marriage Advice to Kate and Kendall

By Ken Williams

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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.