Ian Simpson Books

The Challenge of Landscape Painting

By Ian Simpson

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Collins Complete Painting Course

By Ian Simpson

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Collins Complete Drawing Course

By Ian Simpson

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Edited by Ian Simpson, Principal of St Martin's School of Art. The complete and comprehensive way to learn drawing and painting, with easy-to-follow lessons that show in step-by-step detail all the...

Anatomy of Humans

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Eyeline

By Ian Simpson

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Drawing

By Ian Simpson

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Drawing Draw Books

By Ian Simpson

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Drawing

By Ian Simpson

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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.