Clark Gregor Travel Writer Books

Sicily

By Clark Gregor Travel Writer

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Switzerland

By Clark Gregor Travel Writer

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Lonely Planet Switzerland is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discoveries await you. Ski through fresh powder in the Swiss Alps, listen...

New England s best trips

By Clark Gregor Travel Writer

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351 pages : 20 cm

New England

By Clark Gregor Travel Writer

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447 pages : 20 cm

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...

Sicily

By Clark Gregor Travel Writer

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Presents background information on Sicily along with recommendations for accommodations, restaurants, outdoor activities, historical sites, attractions, and itineraries for day trips.

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.