Andrew Robertshaw Books

Soldier s Life

By Andrew Robertshaw

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A soldier's life

By Andrew Robertshaw

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A Soldier's Life: A Visual History of Soldiers Through the Ages

By Andrew Robertshaw

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Somme 1916

By Andrew Robertshaw

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The Battle of the Somme raged from 1 July to 18 November 1916 and was one of the bloodiest fought in military history. It has come to signify for many the waste and bloodshed of the First World War...

24hr Trench

By Andrew Robertshaw

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During the Great War millions of men lived in the trenches of the Western Frotn. It is difficult for us to understand how they coped in such a confined space with the constant terror of enemy attac...

Feeding Tommy

By Andrew Robertshaw

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Great War

By Les Ives

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Somme 1916

By Andrew Robertshaw

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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.