Grant Blackwood Books

The Kill Switch: A Tucker Wayne Novel

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Recruited by Sigma Force to extract a Russian pharmaceutical magnate, who holds the biological key to a new weapons system, from Siberia, former Army Ranger Tucker Wayne and his military working do...

The Kill Switch: A Tucker Wayne Novel

By James Rollins

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War Hawk: A Tucker Wayne Novel

By James Rollins

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"Former Army Ranger Tucker Wayne and his war dog Kane are thrust into a global conspiracy that threatens to shake the foundations of American democracy in this second exciting Sigma Force spinoff a...

The Kill Switch: A Tucker Wayne Novel

By James Rollins, Grant Blackwood

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The Kill Switch: A Tucker Wayne Novel

By James Rollins, Grant Blackwood

Average: 0.00, 0 Ratings

War Hawk: A Tucker Wayne Novel

By James Rollins, Grant Blackwood

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War Hawk Low Price CD

By James Rollins, Grant Blackwood

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Spartan Gold: FARGO Adventures 1

By Clive Cussler

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Lost Empire

By Clive Cussler, Grant Blackwood

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Spartan Gold

By Clive Cussler, Grant Blackwood

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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.