Jack Du Brul Books

Vulcan's Forge

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"Beneath the Pacific Ocean the earth writhes, spewing lava, churning water to steam, roiling the surface of the sea. A volcano surges upward, carrying in its fiery heart a mineral more precious tha...

Charon's Landing

By Jack Du Brul

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Ivan Kerikov, ex-leader of the KGB's secret science division, has joined forces with a renegade Arab oil minister to derail the U.S.'s plan to stop buying imported oil through the development of al...

Dark Watch: Oregon Files 3

By Clive Cussler

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Corsair: Oregon Files 6

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Dark Watch

By Clive Cussler, Jack Du Brul

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Dark watch

By Clive Cussler, Jack Du Brul

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Skeleton Coast

By Clive Cussler, Jack Du Brul

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Skeleton Coast The Oregon Files

By Clive Cussler, Jack Du Brul

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Plague Ship

By Clive Cussler, Jack DuBrul

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Plague Ship Oregon Files

By Clive Cussler, Jack DuBrul

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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.