Gary Cartwright Books

Blood Will Tell: The Murder Trials of T. Cullen Davis

By Gary Cartwright

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Turn out the lights

By Gary Cartwright

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"This book collects seventeen of Cartwright's Texas Monthly articles from the 1980s and 1990s, along with a new essay, "My Most Unforgettable Year," about the lasting legacy of the Kennedy assassin...

Turn out the lights

By Gary Cartwright

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The Best I Recall

By Gary Cartwright

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Heart Wiseguy

By Gary Cartwright

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Thin Ice

By Charles Newman Heckelmann

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Blood Will Tell

By Gary Cartwright

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Blood Will Tell

By Cartwright

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Blood Will Tell

By Gary Cartwright

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Texas Justice

By Gary Cartwright, 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.