Douglas E Richards Books

Unidentified

By Dan Bittner, Douglas E Richards

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Time Frame

By Douglas E. Richards, Kevin Pariseau

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The Prometheus Project Book 1 Prometheus Project

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Out of This World

By Douglas Richards

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Split Second

By Douglas E Richards, Douglas Richards

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The breathtaking new thriller from the New York Times bestselling author of WIRED. What if you found a way to send something back in time? But not millions of years back, to the age of the dinosaur...

Die Andromeda Sonde

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Superintelligenz

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A Pivot In Time Alien Artifact

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Zweipunktnull

By Douglas E. Richards

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Wired

By Douglas E Richards, Richards, Douglas E.

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Product Description "A keep-you-up-all-night thriller. Intense action, mind-blowing concepts, & breathtaking twists. Enjoy the ride." --Boyd Morrison, bestselling author of THE VAULT. Kira Miller...

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.