George Galdorisi Books

When the Killer Man Comes

By Nicholas Irving, George Galdorisi, Paul Martinez

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The Coronado Conspiracy

By George Galdorisi

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Beyond the Law of the Sea

By Kevin R. Vienna, George V. Galdorisi

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Tom Clancy Presents: Act of Valor

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The Navy SEALs have been fighting terrorists around the world for over a decade. And for all that time, the Bandito Platoon SEALS from SEAL Team Seven have been on continuous combat rotation. Now t...

Tom Clancy s Op Center

By George Galdorisi

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xiv, 366 pages ; 20 cm

When the Killer Man Comes

By Nicholas Irving, George Galdorisi, Paul Martinez

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Tom Clancy s Op Center

By Dick Couch, George Galdorisi, Tom Clancy, Steve R. Pieczenik

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Tom Clancy s Op Center

By Dick Couch, George Galdorisi, Steve R. Pieczenik

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Tom Clancy s Op Center

By George Galdorisi

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Tom Clancy s Op Center

By George Galdorisi, Jeff Rovin

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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.