Thomas Williams Books

Anselm

By Sandra Visser

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Statistics for business and economics

By David Ray Anderson

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This volume provides solid methodological development in the area of statistics for business & economics. The development of each technique is presented in an application setting with statistical r...

Memories of a pioneer

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The Tale of King Harald

By Thomas J. T. Williams

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This is an illustrated adventure telling the story of King Harald Sigurdsson, the last king of the Vikings. Based on a true story, Harald's adventure takes him from a frightened teenager to wealthy...

Mallarme and the language of mysticism

By Thomas A. Williams

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The excellency and praeheminence of the law of England

By Williams Thomas

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The Devil's mouth

By Williams T. M.

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The Heart of the Chronicles of Narnia

By Williams T. M., Thomas Williams

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Knowing Aslan

By Williams T. M.

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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.