Douglas E. Richards Books

Mind s Eye

By Douglas E. Richards

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Quantum Lens

By Douglas E. Richards

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The cure

By Douglas E. Richards

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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...

The cure

By Douglas E. Richards

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A young woman, Erin Palmer, witnesses a psychopath murder her parents and sister. The bloody trauma propels her into a scientific career. She is studying the microbiology of the psychopathic brain,...

The Prometheus Project

By Douglas E. Richards

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Uprooted to the backwoods of Pennsylvania, a brother and sister discover their scientist parents are part of a mysterious project that could get them all imprisoned or worse.

Captured

By Douglas E. Richards

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Wired

By Douglas E. Richards

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"Kira Miller is a brilliant genetic engineer who discovers how to temporarily achieve savant-like capabilities in all areas of thought and creativity. But what if this transcendent level of intelli...

Amped

By Douglas E. Richards

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Oracle

By Douglas E. Richards

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125 Cool Inventions

By National Geographic Kids

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The future is now! Super smart toilets, sweet dream machines, bread buttering toasters, and flying hotels -- this fun and informative book gives curious kids the inside scoop on 125 amazing real in...

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.