Frank, O'Rourke Books

Badger

By Frank O Rourke

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PROFESSIONALS Original Title a Mule for the Marquesa

By Orourke

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Once again Mr. O'Rourke draws a firm bead on a story-line. Set in the sixth year of the Mexican Revolution, this saga of five larger-than-life soldiers-of-fortune takes us across mountain and deser...

Ambuscade

By Orourke

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Violence Sundown

By Orourke

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High Vengeance

By Orourke

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Blackwater

By Orourke, Frank O Rourke

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Warbonnet Law

By Orourke

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Gunsmoke Over Big Muddy

By Orourke

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The BRAVADOS

By Orourke

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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.