Andrew Langley Books

Working in the army

By Andrew Langley

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Mirror on the soul

By Andrew Langley

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The Plains Indian Wars 1864-1890

By Andrew Langley

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The Bombing of London 2005

By Andrew Langley

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Bush, Blair, and Iraq

By Andrew Langley

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Why did George W. Bush and Tony Blair decide their countries should invade Iraq in 2003? What choices did they have, what support and advice did they receive, and how have their decisions affected...

Bush, Blair, and Iraq

By Andrew Langley

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Why did George W. Bush and Tony Blair decide their countries should invade Iraq in 2003? What choices did they have, what support and advice did they receive, and how have their decisions affected...

Cars

By Andrew Langley

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In cars learn about the different parts that make a car work and discover the amazing different types of cars. You can find out about racing cars, sports cars, supercars, dragsters, military cars,...

Big machines

By Andrew Langley

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"In Big Machines find out about the largest machines ever made, from giant excavators, bulldozers and tunnelling machines, to monster ships, trucks and planes. Discover the gigantic jobs big machin...

Hurricane

By Andrew Langley

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"What is it like to witness a hurricane? This book looks at Hurricane Sandy and other major storms, using firsthand accounts to describe events and people's experiences, providing multiple perspect...

Stories of women in World War II

By Andrew Langley

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"More than 75 million people fought in World War II--nearly all of them men. Who was going to produce the weapons and the food, and do countless other important jobs? The answer was women. Millions...

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.