William J. Thomas Books

Anatomical Kinesiology: A Programmed Text

By William J. Thomas, Jerry N. Barham

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The Cat Rules: Everything, Including the Dog!

By William J. Thomas

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The legend of Zippy Chippy

By Thomas William J.

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From acclaimed humorist William Thomas comes the funny yet poignant story of a thoroughbred racehorse that lost 100 races in a row -- but, in everyone's eyes, became the ultimate winner. April 20,...

Malcolm and Me

By J. William Thomas, William J. Thomas

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Margaret and me

By Thomas William J.

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Malcolm and Me

By William J. Thomas, Thomas William J.

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Guys

By William J. Thomas, Thomas William J.

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Malcolm and me

By Thomas William J.

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Margaret and Me

By William J. Thomas

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Guys Not Real Bright and Damn Proud of It

By William Thomas

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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.