Sir John Winthrop Hackett Books

The Third World War

By Sir John Winthrop Hackett

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The Third World War, August 1985

By Sir John Winthrop Hackett

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The profession of arms

By Sir John Winthrop Hackett

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I was a stranger

By Sir John Winthrop Hackett

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The third world war

By Sir John Winthrop Hackett

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Expanding on the imaginary chronicle of cataclysmic global conflict, this volume probes the inner sanctum of the Soviet Politburo and the struggles within the ranks of the Russian army and covers t...

Hungry generations

By Sir John Winthrop Hackett

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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.