Steven E. McDonald Books

The Janus Syndrome

By Steven E. McDonald

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Gene Rodenberry's Andromeda: Waystation book 3

By Steven E. McDonald

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An original space adventure based on the hit TV SF series Andromeda starring Kevin Sorbo.

Gene Roddenberry s Andromeda

By Steven E. McDonald

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Event horizon

By Steven McDonald, Steven E. McDonald

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Evil waits forever. A.D. 2046 Seven years ago the starship event-horizon disappeared during an attempt to achieve faster-than-light travel. Now the ship has been discovered in orbit around neptu...

Supernova

By Steven E. McDonald

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Gene Roddenberry s Andromeda

By Steven E. McDonald

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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.