Mark Von Hagen Books

After Empire

By Karen Barkey

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Soldiers in the Proletarian Dictatorship

By Mark Von Hagen

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The empire and nationalism at war

By Alexander Semyonov, Eric Lohr, Vera Tolz, Mark Von Hagen

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"In this multiauthor collection historians examine the nature, ambitions, and limitations of empire and the role these played in the First World War. The volume further analyzes how and why the war...

Russian Empire

By Mark Von Hagen

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Modern Ukraine

By Yaroslav Hrytsak, Mark Von Hagen

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Modern Ukraine

By Yaroslav Hrytsak, Mark Von Hagen

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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.