Robert Marshall Utley Books

Frontiersmen in Blue: The United States Army and the Indian, 1848-1865

By Robert Marshall Utley

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Frontier Regulars: The United States Army and the Indian, 1866-1891

By Robert Utley

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Last Days of the Sioux Nation

By Robert M. Utley

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Life in Custer's cavalry

By Albert Trovillo Siders Barnitz

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Lone Star Lawmen

By Robert M. Utley

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Based on unprecedented access to Ranger archives, Lone Star Lawmen chronicles one hundred years of high adventure as told by one of the nation's most respected Western historians. Highlighting the...

Frontiersmen in Blue

By Robert M. Utley

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Cavalier in Buckskin

By Robert M. Utley

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The History of the Indian Wars

By Robert M. Utley And Wilcomb E. Washburn

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Sitting Bull

By Robert M. Robert Marshall Utley

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Lone Star Justice

By Robert M. Utley

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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.