Patrick Duncan Books

Crossword Compendium 2

By Patrick Duncan

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Horses and Grasses: The Nutritional Ecology of Equids and Their Impact on the Camargue

By Patrick Duncan, P. B. Duncan

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South Africa s Rule of Violence

By Patrick Duncan

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Large Herbivore Ecology, Ecosystem Dynamics and Conservation

By Roger Bergstrom, Patrick Duncan, Kjell Danell, John Pastor

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"For the purposes of this book, we define large herbivores as even-toed (Artiodactyla) and odd-toed ungulates (Perissodactyla) over 5 kg, and elephants (Proboscidea)"--P. 2.

Quizwords 1

By Patrick Duncan

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Quizwords 2

By Patrick Duncan

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Friendship and union

By Duncan Patrick Sir

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Lindfield Remembered

By G Mansfield, B. Tester, Patrick Duncan

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Pavilion Spring Catalogue 1996

By Patrick Duncan

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Zebras Asses and Horses

By Patrick Duncan

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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.