Christian Wolmar Books

"Before the nineteenth century, armies had to rely on slow and unreliable methods of transportation to move soldiers and equipment during times of conflict. But with the birth of the railroad in th...

Engines of war

By Christian Wolmar

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Fire & steam

By Christian Wolmar

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Describes how railway changed the face of British industry and stimulated development of many facets of modern life, from fish & chips to seaside holidays. This title celebrates the vision and dete...

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.