David Weber Books

"The Solarian League's navy counts its superdreadnoughts by the thousands. Not even they know how large their economy is. And for hundreds of years they have borne the banner of human civilization....

A Call to Vengeance

By Thomas Pope, David Weber, Timothy Zahn

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War of Honor

By David Weber

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The Gordian Protocol

By David Weber, Jacob Holo

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At All Costs

By David Weber

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Shadow of Freedom

By David Weber

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Field of Dishonor

By David Weber

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Hell s Gate

By David Weber, Linda Evans

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The road to hell

By David Weber

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"The war between magically gifted Arcana and psionically talented Sharona continues to rage. The dragon-borne Arcanan assault across five universes has been halted but at atrocious cost. One of tho...

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.