William Napier Books

Attila

By William Napier

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Attila: The Gathering of the Storm

By William Napier

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An

By William Napier

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Pacific Voyages: The Encyclopedia of Discovery and Exploration

By William Napier, Et Al

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Attila

By William Napier

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The 5th century has dawned in blood. The young boy exiled thirty years ago has grown into a man. One stormy autumn day, a mysterious rider is seen out on the plains. Attila has returned, his senten...

Clash of Empires: The Red Sea

By William Napier

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The red sea

By William Napier

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The Mediterranean, 1571. For hundreds of years the Ottoman Empire has ruled the seas. But the seas are only a gateway to the lands they covet beyond. The armies of the Turk are picking off colonies...

Ivan the Terrible

By William Napier

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After the final defeat of the Ottoman Empire at the great naval battle of Lepanto, it seems that Europe is safe. But one day Nicholas Ingoldsby is summoned to London for an audience with the Queen...

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.