David Weber Books

A mighty fortress

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Not yet thirty years old, Cayleb Ahrmahk has won the most crushing naval victories in human history. He's smashed a hostile alliance of no less than five princedoms and won the hand of the beautifu...

Hell s Foundations Quiver A Novel in the Safehold Series

By David Weber

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At the sign of triumph

By David Weber

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"When the leaders and soldiers of the tiny island of Charis rise up behind cybernetic avatar Merlin to defend their home, a powerful Church of God Awaiting, pushed to the brink of defeat, draws on...

Through Fiery Trials A Novel in the Safehold Series

By David Weber

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Off Armageddon Reef

By David Weber

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By Heresies Distressed Safehold

By David Weber

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How Firm a Foundation

By David Weber

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Hell s Foundations Quiver

By David Weber

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Out of the dark

By David Weber

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At the Sign of Triumph A Novel in the Safehold Series 9

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.