Gaylord Brewer Books

Charles Bukowski

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Apropos of his reputation as the underground poet, Charles Bukowski (1920-1994) developed a public persona of poseur, abusive performer, and violent curmudgeon. Bukowski's embrace of this self-aggr...

David Mamet and film

By Gay Brewer

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Let Me Explain

By Gaylord Brewer

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Let Me Explain

By Gaylord Brewer

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The Feral Condition

By Gaylord Brewer

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A detective in distress

By Gay Brewer

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Laughing like hell

By Gay Brewer

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Laughing like hell

By Gay Brewer

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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.