Martin Sixsmith Books

The Litvinenko File: The Life and Death of a Russian Spy

By Martin Sixsmith

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Philomena (Movie Tie-In)

By Martin Sixsmith

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New York Times BestsellerThe heartbreaking true story of an Irishwoman and the secret she kept for 50 years and the basis for the major motion picture starring Judi Dench and Steve Coogan When she...

Philomena

By Martin Sixsmith

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"When she became pregnant as a teenager in Ireland in 1952, Philomena Lee was sent to a convent to be looked after as a 'fallen woman.' Then the nuns took her baby from her and sold him, like thous...

The Litvinenko File

By Martin Sixsmith

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Never Seek to Know

By Martin Sixsmith

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Spin

By Martin Sixsmith

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I Heard Lenin Laugh

By Martin Sixsmith

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The Litvinenko File

By Martin Sixsmith

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Moscow coup

By Martin Sixsmith

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Spin

By Martin Sixsmith

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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.