Heather MacKay Books

Art nouveau

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Through a wide range of different forms and names - Sezessionstil in Austria, Jugendstil in Germany, Nieuwe Kunst in the Netherlands, Modernismo in Spain, Modern Style in England, Art Nouveau in Fr...

Defining and mainstreaming environmental sustainability in water resources management in Southern Africa

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Art nouveau

By Heather MacKay, Angela Sanna

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Romanesque art

By Benedetta Chiesi, Heather MacKay

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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.