Andrew Langley Books

100 things you should know about pirates

By Andrew Langley

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L'histoire de Noel

By Andrew Langley

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Des illustrations pleine page, dans une présentation traditionnelle, évoquent avec simplicité la naissance de Jésus. Le texte, à gros caractères, est de lecture facile.

Medieval life

By Andrew Langley

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An illustrated look at various aspects of life in medieval Europe, covering everyday life, religion, royalty, and more.

Wood

By Andrew Langley

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Wool

By Andrew Langley

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Bridging the energy gap

By Andrew Langley

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Avoiding hunger and finding water

By Andrew Langley

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Bridging the energy gap

By Andrew Langley

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Avoiding hunger and finding water

By Andrew Langley

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Ancient medicine

By Andrew Langley

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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.