John Twelve Hawks Books

The Dark River

By John Twelve Hawks, Scott Brick

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The dark river

By John Twelve Hawks

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Narrowly escaping the imprisonment of his brother, Michael, Gabriel Corrigan, aided by his Harlequin protector Maya, discovers that his long-missing father may still be alive and trapped somewhere...

Le voyageur

By John Twelve Hawks

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Le voyageur

By John Twelve Hawks

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Traveler

By John Twelve Hawks

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El Viajero Exitos

By John Twelve Hawks

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Mroczna rzeka Czwarty Wymiar 2

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El viajero The Traveler Spanish Edition

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.