John Moretti Books

Frommer s Florence Tuscany Umbria

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Introduces Florence and the Umbria and Tuscany regions of Italy, covering hilltowns, festivals, sightseeing, hotels, restaurants, and local history.

Northern Italy with Venice Milan the Lakes

By John Moretti

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Frommer s Florence Tuscany Umbria

By John Moretti

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A Frommer's expert writer hits all the region's highlights, from Florence's Duomo to Tuscany's medieval villages. Morretti has checked out all the best hotels and restaurants in person, and offers...

Frommer s Portable Florence Frommer s Portable

By John Moretti

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MTV Italy MTV Guides

By Taryn Firkser, Brad Archer, Andre Legaspi, John Moretti, Anne Laurella, Nina Kontas, Sylvie Hogg

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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.