Jack Du Brul Books

Charon's Landing

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Years ago, a secret Soviet plan was created to destroy the Alaskan oil pipeline. Now, those plans have been stolen by the brilliant and treacherous ex-KGB agent Ivan Kerikov. Joining forces with a...

It begins deep beneath the Pacific Ocean, where a nuclear bomb strikes at the fiery hot heart of the earth. Churning, spewing boiling lava, a volcano rises with unnatural speed from the ocean floor...

The Medusa Stone

By Jack Du Brul

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In the tiny African nation of Eritrea, the American spy satellite Medusa has crashed but not before its sensors revealed an underground kimberlite pipeline, the telltale sign of a huge load of diam...

Pandora's Curse

By Jack Du Brul

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During World War II, in a secret Nazi submarine base, containers crafted entirely from looted wartime gold were hidden away. The treasure was not the solid gold chests, but the cargo they carried&m...

Havoc

By Jack Du Brul

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Clive Cussler the Heist

By Jack Du Brul

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The Lightning Stones: A Novel

By Jack Du Brul

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Untitled Du Brul

By Jack Du Brul

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Untitled Du Brul

By Jack Du Brul

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Untitled Du Brul

By Jack Du Brul

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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.