Brian M. Thomsen Books

The American fantasy tradition

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The American Fantasy Tradition

By Brian M. Thomsen

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Commanding Voices of Blue Gray

By Brian M. Thomsen

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Commanding Voices of Blue Gray

By Brian Thomsen

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Blue Gray at Sea

By Brian M. Thomsen

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A collection of naval memoirs from the Civil War includes "Incidents and Anecdotes of the Civil War" by Admiral Porter, "Recollections of a Rebel Reefer" by James Morris Morgan, and "Autobiography...

The dream that will not die

By John F. Kennedy

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The Further Adventures of Beowulf

By Brian M. Thomsen

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Ireland's most wanted

By Brian Thomsen

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Citizens

By John Ringo, Brian M. Thomsen

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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.