Gregor Clark Books

Western Europe

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"Lonely Planet Western Europe is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discoveries await you. Enjoy the breath-taking views from Paris' Eiff...

New England s best trips

By Clark Gregor Travel Writer

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351 pages : 20 cm

Sardinia

By Gregor Clark

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Spain

By Anthony Ham

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Describes the country's history and culture; suggests attractions to visit; and offers tips on transportation, accommodations, restaurants, nightlife, and shopping.

New England

By Clark Gregor Travel Writer

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447 pages : 20 cm

New York the Mid Atlantic s best trips

By Simon Richmond

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Discover the freedom of the open road with this guide, your passport to the most up-to-date advice on unique experiences that await you along America's highways. It features 27 amazing road trips,...

Italy

By Clark Gregor Travel Writer

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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...

USA

By Benedict Walker

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Lonely Planet USA is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discoveries await you. Gaze into the mile-deep chasm of the Grand Canyon, tap int...

Argentine

By Sandra Bao

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Mexique French Edition

By John Noble

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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.