Jason Matthews Books

Cipher Sisters

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"Twin sisters, discovered dead in a house. No known relatives. No foul play. Who are they? Who were they? Inspired by a true story, Cipher Sisters focuses on the lives of twin sisters Lucy and Darc...

The Big Bang

By Jason Matthews

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The Kremlin s candidate

By Jason Matthews

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Finale of the Red Sparrow trilogy, in which the CIA's Nate Nash and a Russian agent are caught up in a harrowing scandal involving Russia's blackmail against the newly elected US President. Russia...

How to Make Your Own Free Website

By Jason Matthews

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Get on Google front page

By Jason Matthews

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How to make market and sell ebooks all for free

By Jason Matthews

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Red sparrow

By Jason Matthews

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Russian state intelligence officer Dominika Egorova struggles to survive in the bureaucracy of post-Soviet intelligence. Drafted against her will to become a trained seductress in the service, Domi...

Red Sparrow

By Jason Matthews

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Red sparrow

By Jason Matthews

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Red sparrow

By Jason Matthews

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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.