Helen Constantine Books

Amsterdam Tales

By Helen Constantine, Paul Vincent

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French Tales

By Helen Constantine

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Moscow Tales

By Helen Constantine, Sasha Dugdale

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Presenting stories which represent each layer of the city of Moscow, from the centre of power to the outer rings of desolate estates and tumbledown shacks, this fascinating collection offers a live...

Barcelona Tales

By Helen Constantine, Peter Bush

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Lisbon Tales

By Helen Constantine, Amanda Hopkinson

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French Tales

By Helen Constantine

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Paris Metro Tales

By Helen Constantine

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Moscow Tales

By Helen Constantine

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Paris Tales

By Helen Constantine

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Copenhagen Tales

By Helen Constantine

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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.