John Thoreen Books

Frommer'S Portable California Wine Country

By Erika Lenkert, Matthew R. Poole, Matthew Poole, John Thoreen, Erika Lenkert, Matthew R. Poole, John Thoreen

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The Best of Napa and Sonoma in a Nutshell: -Great places to stay, from elegant hilltop resorts to cozy country B&Bs--plus fabulous wine country restaurants -All the best wineries--with recommendati...

Frommer'SÂ Portable California Wine Country

By Erika Lenkert, Matthew R. Poole, Matthew Poole, John Thoreen

Average: 0.00, 0 Ratings

Life is short. Vacations are shorter. Relax! Trust your trip to Frommer's. The Best of California Wine Country in a Nutshell: The best places to stay and eat—with exact prices and candid, in-depth...

Napa Valley

By Charles O'Rear, John Thoreen

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Napa Valley

By Charles O Rear

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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.