Gwynne Dyer Books

With Every Mistake

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This essential collection contains the best of Gwynne Dyer’s writing on the post–September 11 world.Since 1973, writer, historian and filmmaker Gwynne Dyer has written a widely syndicat...

Ignorant Armies

By Gwynne Dyer

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Baffled by how Bush’s war on al-Qaeda segued into war on Iraq? Canada’s leading expert on war unravels the tangled chain of events. The terrorist attacks on the United States on Septe...

Future: Tense

By Gwynne Dyer

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The foundations of World War III are being laid today. American defeat in Iraq is only a matter of time, but how long it takes matters a lot. The fate of Iraq is a sideshow, the terrorist threat...

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.