Jan Hallenberg Books

This book, published in association with the Bank of England, assesses the damaging effects of inflationary finance, financial repression and excessive government borrowing from abroad on economic...

Changing Transatlantic Security Relations

By Hakan Karlsson, Jan Hallenberg

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European Union and Strategy

By Rachel Kerr, James Gow, Jan Hallenberg, Kjell Engelbrekt

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European Security Governance

By Charlotte Wagnsson, James Sperling, Jan Hallenberg

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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.