Deborah Lavin Books

The Condominium Remembered

By Deborah Lavin, Durham Sudan Historical Records Conference 1982 Trevelyan College

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South African memories

By Sir James Percy Fitzpatrick

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Bradlaugh contra Marx

By Deborah Lavin

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Edward Aveling Son In Law of Karl Marx

By Deborah Lavin, Michael O. Wicks

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From Empire to International Commonwealth: A Biography of Lionel Curtis

By Deborah Lavin

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Lionel Curtis C.H. once counted among the great and good, working behind the scenes of international politics and honoured as the 'pioneer of a great idea' - international federation as the natural...

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.