Chris Willis Books

The New Woman in Fiction and Fact: Fin-de-Siecle Feminisms: Fin-de-siecle Feminisms

By Angelique Richardson, Chris Willis

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Old Leather

By Chris Willis, Horrigan Joe

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Walter Lingo Jim Thorpe and the Oorang Indians

By Chris Willis

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"In 1922, dog kennel owner Walter Lingo joined forces with star athlete Jim Thorpe to create a professional football team named the Oorang Indians. This book tells the remarkable story of how the O...

Dutch Clark

By Chris Willis

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Dutch Clark

By Chris Willis

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A nearly perfect season

By Chris Willis

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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.