William H. Keith Books

Bolo Strike

By Keith William H. Jr.

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Two of Minds Star Drive

By William H. Keith

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The science of the craft

By William H. Keith

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Deep Black Death Wave

By William H. Aut Stephen Author Keith

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Death wave

By Stephen Coonts

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A renegade government and a terrorist cell have gained access to nuclear artillery shells that they intend to detonate in the Canary Islands to cause a massive landslip that will crash on the easte...

Put your best face forward

By William H. Keith

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Doctor Who and the Vortex Crystal A Solo Play Adventure Game

By William H. Jr. Keith

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Doctor Who and the Rebel s Gamble A Solo Play Adventure Game

By William H. Jr. Keith

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Armies of the Night

By Loren Wiseman, Jr. Keith William H.

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Airlords of the Ozarks

By William H. Keith

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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.