John Twelve Hawks Books

The Traveler

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Their lives shaped by their father's role as a Traveler, an elite prophet able to attain pure enlightenment, Gabriel and Michael Corrigan become a target of the Tabulas, a ruthless cadre seeking wo...

Viajero El

By John Twelve Hawks, John Tewlve Hawks

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The Traveler

By John Twelve Hawks

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The Dark River Fourth Realm Trilogy Book 2

By John Twelve Hawks

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The golden city

By John Twelve Hawks

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Struggling to protect the legacy of his Traveler father, Gabriel faces troubling new questions and relentless threats. His brother Michael, now firmly allied with the enemy, pursues his ambition to...

The Traveler

By John Twelve Hawks

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The Dark River Fourth Realm Trilogy Book 2

By John Twelve Hawks

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The golden city

By John Twelve Hawks

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Spark

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THE MOST DANGEROUS ASSASSIN IS THE ONE WHO BELIEVES HE IS ALREADY DEAD.A razor-sharp, high-tech, wildly imaginative new novel from internationally bestselling author John Twelve Hawks, Spark featur...

The Traveler Fourth Realm Trilogy Book 1

By John Twelve Hawks

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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.