David Weber Books

At All Costs

By Allyson Johnson, David Weber

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Field of Dishonor

By Allyson Johnson, David Weber

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"March Upcountry and March to the Sea in one combination volume. Roger Ramius MacClintock was young, handsome, athletic, an excellent dresser, third in line for the Throne of Man and a spoiled, sel...

Honor of the Queen

By David Weber

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Beginnings

By David Weber

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A collection of tales set in the Honor Harrington universe includes contributions by Timothy Zahn, Charles E. Gannon, and Joelle Presby and is complemented by a new novella by David Weber featuring...

Treecat Wars

By David Weber, Jane Lindskold

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The Short Victorious War

By David Weber

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On Basilisk Station

By David Weber, Allyson Johnson

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A Call to Duty

By Eric Michael Summerer, David Weber, Timothy Zahn

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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.