Richard K. Harris Books

Choose the Pacific Northwest for Retirement 2nd

By John Howells, Richard Harris

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New Mexico Off the Beaten Path 6th

By Richard K. Harris

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New Mexico

By Richard K. Harris, Harris Richard

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Choose the Pacific Northwest for Retirement 3rd

By John Howells, Richard Harris

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New Mexico

By Harris Richard

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This guidebook leads readers to little-known attractions throughout the Land of Enchantment, from chili festivals, goat farms, and ghost towns to hidden cafes, vineyards, museums, parks, and more.

Hidden Highways of Arizona

By Richard Harris, Harris Richard

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Hidden Baja

By Richard Harris

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Hidden Arizona

By Richard Harris

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Hidden New Mexico

By Richard Harris

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New Mexico Off the Beaten Path 7th

By Richard K. Harris

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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.