John Hoffman Books

GPRS Demystified

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The Political Classics: Hamilton to Mill: Hamilton to Mill Vol 2

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This book has been designed to enable all students of political ideas to gain a fuller appreciation of the great works which form the foundation of the subject. It spans a critical period: from the...

State, power, and democracy

By Hoffman John

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Gender and Sovereignty

By John Hoffman

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Africa and Asia in Comparative Economic Perspective

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Sovereignty

By Hoffman John

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Seventh Day Diet

By John Hoffman

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Marxism and the theory of praxis

By Hoffman John

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Marxism and the Theory of Praxis a Critique of Some

By Hoffman John, Hoffman J

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State Power Democracy

By John Hoffman

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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.