Daniel J. Gelo Books

Indians of the Great Plains

By Daniel J. Gelo

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Indians of the Great Plains Plus MySearchLab with eText -- Access Card Package

By F. Philip Rice

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Comanches in the new West, 1895-1908

By Stanley Noyes

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Novelist Larry McMurtry received an unusual Christmas present some years ago - a photograph showing a demonstration of the then-new kerosene lamp to a mixed crowd of cowboys, soldiers, and Indians....

Estudios Sociales Texas EE. UU. Guia Del Maestro 4

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Mel Bay Mandolin Sampler

By Dan Gelo

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Indians Of The Great Plains

By Daniel J. Gelo, Daniel J. Gelo

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Gelo's Indians of the Great Plains remains the most thorough textbook available on the subject today. This second edition has been fully revised and updated, taking account of modern terminology an...

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.