David Coulson Books

The roof of Africa

By David Coulson

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The Lost World of the Kalahari

By David Coulson, Laurens Van Der Post

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Mountain odyssey in southern Africa

By James Clarke, David Coulson

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Laugh it up

By David Coulson

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"If you think this joke is funny, wait till your open this book. Inside you'll find more than 400 goofy jokes, riddles, and cartoons guaranteed to cause a fit of the funnies!"--Back cover.

Namib

By David Coulson

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African Rock Art

By Alec Campbell

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"African Rock Art: Paintings and Engravings on Stone is the first comprehensive illustrated book on the rock art of Africa. From the spectacular mountains of the central Sahara, to the arid plateau...

Drink Pocket Book

By David Coulson

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Magic on the Mountain

By David Coulson

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The dawn of imagination

By David Coulson

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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.