David J. Hargreaves Books

Developmental Psychology of Music

By David J. Hargreaves

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The Empowered School

By David H. Hargreaves, David Hopkins

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Psychology and You

By Julia C. Berryman, Kevin Howells, David J. Hargreaves, Clive R. Hollin

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Psychology and You

By Julia C. Berryman, Kevin Howells, David J. Hargreaves, Clive R. Hollin

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The psychology of musical development

By David J. Hargreaves

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"The Psychology of Musical Development provides an up-to-date and comprehensive account of the latest theory, empirical research, and applications in the study of musical development, an important...

Psychology and You

By Diane J. Wildbur, Elizabeth Ockleford, Julia C. Berryman, Kevin Howells, David J. Hargreaves

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Developmental psychology & you

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Infancia y Educacion Artistica Coleccion Educacion Infantil y Primaria

By David J. Hargreaves

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Musica y Desarrollo Psicologico

By David J. Hargreaves

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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.