Sally O Brien Books

The Negative Scream

By Sally O Brien

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Love Offerings to the Universe

By Sally O Brien

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Dead Sweet

By Sally O Brien

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Germany Austria Switzerland s best trips

By Benedict Walker, Catherine Le Nevez, Ryan Ver Berkmoes, Kerry Christiani, Tom Masters, Nicola Williams, Andrea Schulte Peevers, Marc Di Duca, Sally O Brien

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Discover the freedom of open roads while touring with Lonely Planet Germany, Austria and Switzerland's Best Trips, your passport to uniquely encountering this region by car. Featuring 30 amazing ro...

Lonely Planet Sicily

By Fionn Davenport, Sally O Brien

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Lonely Planet Sydney

By Meg Mundell, Sally O Brien

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Lonely Planet Australia

By Paul Smitz, Joyce Connelly, Patrick Horton, Joe Bindloss, Alex Landragin, David McClymont, Virginia Jealous, Monique Choy, Sam Benson, Matthew Lane, Kate Daly, Sally O Brien, Sarah Mathers

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Lonely Planet Copenhagen

By Sally O Brien

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Lonely Planet Sydney

By Sally O Brien

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Lonely Planet Best Of Turin

By Sally O Brien

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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.