Clark Gregor Books

Lonely Planet New England Trips 1st Ed.

By Gregor Clark, Dan Eldridge, Ray Bartlett, Brandon PRESSER, Clark Gregor

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53 of the Region's Best Trips! Whether you're a local looking for a long weekend escape, a visitor looking to explore or you simply need some ideas when family and friends come to visit, Lonely P...

Mammographie: 83 Diagnostische Übungen Für Studenten Und Praktische Radiologen (Radiodiagnostische Übungen) (German Edition)

By Elisabeth Hauenstein, Christian Kleitz, Clark Gregor, Bernadette Lux, Pierre Haehnel, Bao, Sandra, Palmerlee, Danny

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Discover Argentina Feel the thunderous crash of icebergs calving into the icy waters of Lago ArgentinaExplore the vast landscapes of Quebrada de Humahuaca with your own pack-carrying llamaTango lik...

Lonely Planet Southern Italy

By Gregor Clark, Hugh McNaughtan, Lonely Planet, Clark Gregor, Cristian Bonetto, Bonetto, Cristian, McNaughtan(Hugh), Lonely Planet; Cristian Bonetto; Gregor Clark; Hugh McNaughtan

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Lonely Planet: The world’s leading travel guide publisher Lonely Planet Southern Italy is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discoveries...

Lonely Planet Best Of France

By Kerry Christiani, Gregor Clark, Oliver Berry, Lonely Planet, Clark Gregor, George Bernard, Damian Harper, Anita Isalska, Christiani, Kerry, Lonely, Harper, Damian, Berry, Oliver, Le Nevez, Catherine Planet

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Lonely Planet: The world's number one travel guide publisher* Lonely Planet's Best of France is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discov...

Lonely Planet Italy

By Brett Atkinson, Gregor Clark, Alexis Averbuck, Averbuck Alexis, Lonely Planet, Clark Gregor, Cristian Bonetto, Atkinson, Brett, Bonetto, Cristian, Lonely, Dragicevich, Pe Planet

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Lonely Planet: The world's leading travel guide publisher Lonely Planet's Italy is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discoveries awai...

Lonely Planet Sicily

By Gregor Clark, Lonely Planet, Clark Gregor, Cristian Bonetto, Bonetto, Cristian, Lonely Planet; Gregor Clark; Cristian Bonetto

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Lonely Planet: The world's leading travel guide publisher Lonely Planet Sicily is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discoveries await yo...

Lonely Planet Sicily

By Lonely Planet, Gregor Clark, Clark Gregor, Maric Vesna

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Lonely Planet: The world's leading travel guide publisher Lonely Planet Sicily is your passport to all the most relevant and up-to-date advice on what to see, what to skip, and what hidden discover...

Lonely Planet Lyon, The Alps & The Jura

By Nicola Williams, Clark Gregor, Williams, Nicola, Robinson, Daniel

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Lonely Planet French Alps & the Jura Mountains is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discoveries await you in this region. Rush down the...

Lonely Planet Argentina (Lonely Planet Argentina, Uruguay And Paruguay)

By Clark Gregor, Bao, Sandra, Palmerlee, Danny

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Lonely Planet Argentina (Lonely Planet Argentina, Uruguay And Paruguay)

By Clark Gregor, Bao, Sandra, Palmerlee, Danny

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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.