Athearn, Robert G. Books

High Country Empire: The High Plains And Rockies

By Robert G. Athearn, Athearn, Robert G.

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"It will make excellent supplementary reading for students of the American West, complementing the work of Bernard De Voto and Carl F. Kraenzel."Walter Prescott Webb, New York Times Book Review

The Coloradans

By Robert G. Athearn, Athearn, Robert G.

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American Heritage Illustrated History Of The United States Vol. 7: The War With Mexico (American Her

By Robert G. Athearn, Athearn, Robert G.

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An eighteen-volume history of the United States, each volume dealing with a particular era and having a dictionary-encyclopedia of people, places, and events mentioned in that volume

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.