Roger S. Durham Books

High seas and Yankee gunboats

By Roger S. Durham

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Social contract for the coal fields

By William Daniel Dixon, Richard P. Mulcahy

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"Unlike Confederate units formed during the Civil War, the Republican Blues had been an existing militia organization in Savannah, Georgia, for over fifty years - a professional fighting unit rathe...

A Confederate Yankee

By Edward William Drummond

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Carlisle Barracks

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Fort Mcallister

By Roger S. Durham

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Carlisle Barracks

By Roger S. Durham

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Like Boy Scouts with Guns

By Roger S. Durham

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Fort Mcallister

By Roger S. Durhan, Roger S. Durham

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Carlisle Barracks

By Roger S. Durham

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Guardian of Savannah

By Roger S. Durham

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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.