Mark Greaney Books

Dead Eye

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Decades ago, when he was a young CIA analyst, President Jack Ryan, Sr. was sent on what was supposed to be a simple support mission to investigate the death of an operative who had been looking int...

Relentless

By Mark Greaney, Jay Snyder

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One Minute Out

By Mark Greaney, Jay Snyder

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Sierra Six

By Mark Greaney, Jay Snyder

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Mission Critical

By Mark Greaney, Jay Snyder

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Mission Critical

By Mark Greaney

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Commandant en chef tome 1 A.M.THRIL.POLAR French Edition

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Commandant en chef tome 2 A.M.THRIL.POLAR French Edition

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Le Serment tome 1

By Mark Greaney, Jean Bonnefoy, Tom Clancy

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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.