Douglas Kent Hall Books

Working Cowboys

By Douglas Kent Hall

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Over one hundred photos and text describe the cowboy's life on the West's leading cattle ranches.

Prison Tattoos

By Douglas Kent Hall

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Rodeo

By Douglas Kent Hall

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Rock a world bold as love

By Douglas Kent Hall

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Quotations from interviews with rock composers, performers, promoters, and fans of the 1950's and 1960's discuss rock as music, profession, and way of life. Includes performance photographs of rock...

Arnold

By Arnold Schwarzenegger, Douglas Kent Hall

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Arnold's Bodyshaping for Women

By Arnold Schwarzenegger, Douglas Kent Hall

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Van people

By Douglas Kent Hall

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Van people

By Douglas Kent Hall

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The Border

By Douglas Kent Hall

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On the way to the sky.

By Douglas Kent Hall

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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.