Graham Brown Books

From Graham Brown, co-author of the New York Times bestselling thriller Devil’s Gate with Clive Cussler, comes The Eden Prophecy . . .The wisdom of faith. The power of science. The evil of man.In t...

The Storm EXP

By Clive Cussler, Graham Brown

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Zero hour

By Clive Cussler

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It is called zero point energy, and it really exists - a state of energy contained in all matter everywhere, and thus all but unlimited. Nobody has ever found a way to tap into it, however - until...

Nighthawk

By Clive Cussler

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"NUMA crew leaders Kurt Austin and Joe Zavala must beat the clock to stop the world's most dazzling new technological advance from becoming mankind's last in this action-packed thriller from the #1...

Legal studies for South Australia.

By Brown Graham BA.

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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.