Peter R. Decker Books

Das Proletariat: Die grosse Karriere der lohnarbeitenden Klasse kommt an ihr gerechtes Ende

By Peter Decker, Konrad Hecker

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Fortunes and failures

By Peter R. Decker

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Fortunes and Failures

By Peter R. Decker

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Red white army blue

By Peter R. Decker

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"It's 1881, and a US Army unit led by Colonel Joseph Kindred, the military's most famous Indian fighter, has been ordered to move fifteen hundred Colorado Ute to a new reservation in Utah as retrib...

Old fences, new neighbors

By Peter R. Decker

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Old Fences, New Neighbors is a chronicle of how one small, rural community is dealing with the changes currently sweeping the West. It is also the firsthand perspective of a working rancher. Decke...

Old fences, new neighbors

By Peter R. Decker

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Old Fences, New Neighbors is a chronicle of how one small, rural community is dealing with the changes currently sweeping the West. It is also the firsthand perspective of a working rancher. Decke...

The Go Backer

By Peter Decker

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UTES MUST GO, THE

By Peter R. Decker

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"Tracing three centuries of Ute Indian history, "The Utes Must Go!" chronicles the policies and incidents that led to the involuntary removal of the Ute Indians from Colorado, New Mexico, and Wyomi...

The Utes Must Gol

By Peter R. Decker

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Old fences, new neighbors

By Peter R. Decker

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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.