Gary Cartwright Books

Dirty dealing

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A flamboyant family of smugglers, the assassination of a Federal judge, the costliest FBI investigation in history - these are the elements of this riveting true story. It is a tale that, as it unf...

Galveston

By Gary Cartwright

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Tells the history of the Island from 1528 forward and portrays the various heroes and eccentrics and dreamers and achievers.

Galveston

By Gary Cartwright

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Confessions of a washed-up sportswriter, including various digressions about sex, crime, and other hobbies

By Gary Cartwright

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Dirty dealing

By Gary Cartwright

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Wanted Man

By Cartwright Gary Government Consultant

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Blood Will Tell

By Gary Cartwright

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Turn Out the Lights

By Gary Cartwright, Robert Draper

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Heartwiseguy

By Gary Cartwright

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Galveston

By Gary Cartwright

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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.