Shane Christensen Books

Puerto Vallarta, Manzanillo & Guadalajara

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Insider advice on what to see and do on your trip to Mexico's Central Pacific Coast region, from the golden beaches and jungle-studded mountains of Puerto Vallarta to the vast palm groves and legen...

Frommer s Grand Canyon National Park

By Shane Christensen

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Frommer s Cancun the Yucatan

By Shane Christensen

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Provides information on travel, accommodations, dining, shopping, beaches, outdoor activities, and attractions.

AAA Spiral Washington D. C.

By Franklin Paul Christensen Shane

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Frommer s National Parks of the American West

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Experience a place the way the locals do. Enjoy the best it has to offer. Frommer's. The best trips start here. Outdoor adventures for everyone, from hiking and horseback riding to sea kayaking...

Frommer s Dubai

By Shane Christensen, Alan Walbridge

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Frommer's Dubai

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Frommer s Grand Canyon National Park

By Shane Christensen

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Frommer s National Parks of the American West

By Shane Christensen

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Frommer s Portable Acapulco Ixtapa Zihuatanejo

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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.