Christian Wolmar Books

The Golden Age of European Railways

By Christian Wolmar

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Fire steam

By Christian Wolmar

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Fire steam

By Christian Wolmar

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'Fire & Steam' tells the dramatic story of the people and events that shaped the world's first railway network, one of the most impressive engineering achievements in history.

The Subterranean Railway

By Christian Wolmar

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Subterranean Railway

By Christian Wolmar

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Drugs Points of View

By Christian Wolmar, C. Woolmar

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Blood iron gold

By Christian Wolmar

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This book reveals how the rise of the train stimulating daring feats of engineering, architectural innovation and the rapid movement of people and goods around the world. He shows how cultures were...

Engines of war

By Christian Wolmar

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Engines of war

By Christian Wolmar

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From the acclaimed author of 'Fire and Steam' and 'Blood, Iron and Gold' comes 'Engines of War' which tells the dramatic story of how the birth and spread of the railways shaped the ways wars were...

Broken Rails

By Christian Wolmar

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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.