Robert Harms Books

Heinrich Barth et l Afrique

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River of Wealth, River of Sorrow: The Central Zaire Basin in the Era of the Slave and Ivory Trade, 1500-1891

By Robert W. Harms

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Africa in Global History with Sources

By Robert Harms

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The Diligent: A Voyage Through the Worlds of the Slave Trade

By Robert Harms, Robert W. Harms

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"In The Diligent, historian Robert Harms uses an entirely new approach to uncover the complex workings of the slave trade. Drawing upon the recently discovered private journal of First Lieutenant R...

The Diligent

By Robert Harms, Robert W. Harms

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Games against Nature

By Robert W. Harms, Robert Harms

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The Diligent

By Robert W. Harms

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Indian Ocean Slavery in the Age of Abolition

By David W. Blight, Bernard K. Freamon, Robert W. Harms

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Land of Tears The Exploration and Exploitation of Equatorial Africa

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Games Against Nature

By Robert Harms

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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.