David Weber Books

The War God s own

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Bahzell Bahnakson of the Horse Stealer hradani never wanted to be a champion of Tomanak the War God. Unfortunately, the War God had insisted, and Bahzell's own sense of duty hadn't let him say no....

Field of Dishonor Honor Harrington Series Book 4

By David Weber

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The apocalypse troll

By David Weber

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Captain Richard Aston thinks he can have a relaxing vacation as he sails across the Atlantic, but when he rescues a woman who claims to be an alien from the future, he finds himself involved in an...

Apocalypse Troll

By David Weber, Long James

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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.