David Harmon Books

The Full Value of Parks

By David Harmon, Name Missing

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Johnny Concho

By Noel M. Loomis, David Harmon

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A thinking person s guide to America s national parks

By Rolf Diamant, David Harmon, Nora Mitchell, Robert E. Manning

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Not a travel guide, this book is a collection of essays that delve into issues affecting America's national parks and historic sites. The authors, who all have deep personal and professional connec...

The Antiquities Act

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Llamas on the trail

By David Harmon

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Mirror of America Literary Encounters With the National Parks

By David Harmon, National Park Foundation

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Mirror of America

By National Park Foundation

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Borealis

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Basic Guide to Indian Community Advocacy

By David Harmon

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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.