Gregor Clark Books

Lonely Planet Regional Guide New England Trips

By Clark Gregor

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Montreal Quebec City

By Timothy N. Hornyak

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Enhanced neighbourhood coverage; Features an inspiring section on the area's Top 10 Experiences; Full colour throughout.

Italy

By Duncan Garwood

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Discover Switzerland

By Nicola Williams

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Italy

By Cristian Bonetto

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Italy is your passport to all the most relevant and up-to-date advice on what to see, what to skip, and what hidden discoveries await you. Listen to your gondolier sing sweetly while gliding past c...

Southern Italy

By Cristian Bonetto

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Lonely Planet Southern Italy is your passport to all the most relevant and up-to-date advice on what to see, what to skip, and what hidden discoveries await you. Wander through Pompeii, a town froz...

Brazil

By Regis St. Louis

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Normandy D Day beaches

By Oliver Berry

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Provence southeast France

By Oliver Berry

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Chateaux of the Loire Valley

By Alexis Averbuck

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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.