Haywood John Books

Vikings were the lords of the northern seas. Fame, glory and wealth awaited those who braved storms and enemy spears to plunder far and wide in foreign lands. Combining the latest archaeological di...

The atlas of past times

By Haywood John

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Medieval Europe

By Haywood John

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Medieval Europe

By Haywood John

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The ancient world

By Haywood John

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The Encyclopedia of ancient civilizations of the Near East and Mediterranean

By Haywood John

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Focuses on the civilizations of the ancient Near East and Egypt, as well as Greece and Rome.

The complete atlas of world history

By Haywood John

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Text, maps, and illustrations present the history of the world from 4,000,000 BC to 1997.

Living history

By John Haywood

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Journey through more than 100,000 years of history to find out what the past was like for real people - for young and old, rich and poor. Discover how and why some societies developed into great ci...

Life in the ancient world

By Haywood John

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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.