Chris De Souza Books

Uses several well-known paintings and suggested activities to introduce different artists' styles and techniques and to discuss ways to view a painting.

Listening to Music Exploring the Arts

By Chris De Souze, Chris De Souza, Chris De Sousa

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The Kingfisher Book of Music

By Chris De Souza

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Otosclerosis and Stapedectomy

By Chris De Souza, Roland Rixecker

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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.