Den Patrick Books

The Boy Who Wept Blood

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FANTASY. With his rich evocation of the Italian Renaissance-like realm of Landfall, his uniquely appealing way with flawed yet empathic characters and his ability to write gripping scenes of both a...

Erebus Sequence eBook 3 Titles

By Den Patrick

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The Boy Who Wept Blood The Erebus Sequence

By Den Patrick

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Things in the Dark

By Margret Helgadottir, Jenny Barber, Den Patrick, Danie Ware, James Fadeley, Carol Borden, Ben Stewart, K.A. Laity, Chloe Yates, Rahne Sinclair

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Sharkpunk

By Kit Cox, Jonathan Green, Al Ewing, Den Patrick

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Christmas Explained

By Jonathan Green

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You Are the Hero

By Jonathan Green

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Game Over

By Jonathan Green, James Wallis, Jonathan Oliver, Simon Bestwick, Sarah Peploe

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Alice s Nightmare in Wonderland

By Jonathan Green, Kev Crossley

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Alice s Nightmare in Wonderland

By Jonathan Green, Kev Crossley

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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.