Alex Marshall Books

A crown for cold silver

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"Twenty years ago, feared general Cobalt Zosia led her five villainous captains and mercenary army into battle, wrestling monsters and toppling an empire. When there were no more titles to win and...

A blade of black steel

By Marshall Alex Novelist

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"The sequel to Alex Marshall's A Crown for Cold Silver, an outstanding, game-changing epic adventure featuring an unforgettable female warrior. After five hundred years, the Sunken Kingdom has retu...

A Blade of Black Steel The Crimson Empire Book 2

By Alex Marshall

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A Blade of Black Steel The Crimson Empire

By Alex Marshall

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A Crown for Cold Silver

By Alex Marshall

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Republic or Death

By Alex Marshall

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Beneath the Metropolis: The Natural and Man-Made Underground of the World's Great Cities

By Alex Marshall

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The Caucasus under Soviet rule

By Alex Marshall

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The surprising design of market economies

By Alex Marshall

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How Cities Work

By Alex Marshall

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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.