John A. Vlahides Books

California

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Presents a guide to California, describing accommodations, restaurants, transportation, shopping, major points of interest, and sightseeing activities.

San Francisco Bay Area wine country road trips

By Alison Bing, Beth Kohn, John A. Vlahides, Sara Benson

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Lonely Planet Los Angeles Southern California

By Andrea Schulte Peevers, John A. Vlahides, Andrea Schute Peevers

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Lonely Planet Coastal California

By Tullan Spitz, John A. Vlahides

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Lonely Planet Southwest USA Lonely Planet Southwest

By Kim Grant, Becca Blond, John A. Vlahides

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Lonely Planet Zion Bryce Canyon

By Jeff Campbell, David Lukas, John A. Vlahides

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L essentiel de la californie 1ed

By N A

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Paysages grandioses et esprit d'aventure y attirent les voyageurs, bercés d'histoires de cow-boys et de rêves de grands espaces. Jouez aux pionniers dans la calme beauté des parcs nationaux, partez...

Discover California

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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.