Martin Windrow Books

Examines the day-to-day life and experiences of a soldier in Ancient Greece. Includes a glossary of terms and a brief chronology of major military events from 498 B.C. to 336 B.C.

The Roman legionary

By Martin Windrow

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The medieval knight

By Martin Windrow

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Examines the day-to-day life and experiences of a typical soldier during the middle ages in England and France. Includes a glossary of terms and a brief chronology of major military events from the...

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.