David Weber Books

Hell Hath No Fury

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Two civilizations in different universes blunder closer to war. One is a pre-industrial society whose weapon of choice is magic. The other is a Victorian-style culture whose technology is based on...

1634 The Baltic War

By David Weber, Eric Flint

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Rear Admiral Michelle Henke was commanding one of the ships in a force led by Honor Harrington in an all-out space battle when she and her surviving crew were taken prisoner. Through an agreement w...

Hell Hath No Fury

By David Weber, Linda Evans

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On Basilisk Station

By David Weber, Allyson Johnson

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The Honor of the Queen

By David Weber, Allyson Johnson

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Hell s Foundations Quiver

By David Weber

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At the Sign of Triumph A Novel in the Safehold Series

By David Weber

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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.