Diana Armfield Books

The Simon and Schuster pocket guide to painting in oils.

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The Simon and Schuster Pocket Guide to Drawing

By Diana Armfield

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The Mitchell Beazley pocket guide to painting in oils

By Diana Armfield

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Le dessin

By Diana Armfield

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Cours de dessin en trois parties : le matériel; les techniques; conseils pour ceux qui ont déjà une expérience du dessin. Informations et conseils accompagnés d'illustrations.

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.