Sally O Brien Books

Dead Sweet

By Sally O Brien

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Switzerland

By Nicola Williams

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Look past the silk-smooth chocolate, cuckoo clocks and yodelling - contemporary Switzerland, land of four languages, is all about epic journeys and sublime experiences. Coverage Includes: Planning...

Discover Switzerland

By Nicola Williams

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Switzerland

By Nicola Williams

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Discover Europe

By Catherine Le Nevez

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Discover Switzerland

By Ryan Ver Berkmoes

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Lonely Planet New South Wales

By Ryan Ver Berkmoes, Sally O Brien

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Lonely Planet Denmark

By Michael Grosberg, Andrew Bender, Andrew Stone, Sally O Brien

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Sydney

By Sandra Bao, Sally O Brien

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Discover the freedom of open roads while touring Europe with Lonely Planet Europe's Best Trips , your passport to up-to-date advice. Featuring 40 amazing road trips, from 2-day escapes to 2-week ad...

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.