Mark K. Christ Books

Civil War Arkansas 1863

By Mark K. Christ

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All cut to pieces and gone to hell

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All cut to pieces and gone to hell

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Rugged and Sublime

By Mark K. Christ

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Rugged and Sublime goes a long way toward filling regrettable blanks in our memory of Arkansas's role in the Civil War. It explores the major clashes and locales of the war, including the state sec...

Rugged and Sublime

By Mark K. Christ

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Sentinels of History

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Sentinels of History

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I do wish this cruel war was over

By Mark K. Christ, Patrick G. Williams

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"...collects diaries, letters, and memoirs excerpted from their original publication in the Arkansas Historical Quarterly to offer a first-hand, ground-level view of the war's horrors, its mundane...

Getting Used to Being Shot at

By Mark K. Christ

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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.