Henry Heller Books

Labour, Science and Technology in France, 15001620

By Henry Heller

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Labour Science and Technology in France 15001620

By Henry Heller

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Anti-Italianism in sixteenth-century France

By Henry Heller

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"Sixteenth-century Europe, like the Europe of the late twentieth century, did not escape the ravages of ethnic discord. In an examination of the Italian presence in France under the Valois and Bour...

A Marxist History of Capitalism

By Henry Heller

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The Cold War and the New Imperialism

By Henry Heller

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The Cold War and imperialism

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The French Revolution and Historical Materialism

By Henry Heller

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The conquest of poverty

By Henry Heller

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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.