Douglas E. Richards Books

The cure

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"A novel in the best tradition of Douglas Preston and Michael Crichton ... with a little John Grisham thrown in. A young woman, Erin Palmer, witnesses a psychopath murder her parents and sister. Th...

BrainWeb

By Douglas E. Richards

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Game Changer

By Douglas E. Richards

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BrainWeb

By Adam Verner, Douglas E. Richards

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Split Second

By Douglas E. Richards, Kevin Pariseau

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MindWar

By Douglas E. Richards

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Game Changer

By Joe Hempel, Douglas E. Richards

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Trapped

By Josh Hurley, Douglas E. Richards

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Captured

By Josh Hurley, Douglas E. Richards

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Stranded

By Josh Hurley, Douglas E. Richards

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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.