Michael J. Martinez Books

Freak quakes are rumbling over the long-dormant tectonic plates of the planet, disrupting its trillion-dollar mining operations and driving scientists past the edges of theory and reason. However,...

The Daedalus Incident The Daedalus Series Book 1

By Michael Martinez

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The Enceladus Crisis Book Two of the Daedalus Series

By Michael J. Martinez

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The Venusian gambit

By Michael J. Martinez

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"The last chapter of the dimension-spanning Daedalus series brings the nineteenth and twenty-second centuries together for an explosive finale in the jungles of Venus! In the year 2135, dangerous a...

Mj 12 inception

By Michael J. Martinez

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"A team of superhuman covert operatives emerges from the ashes of World War II in a Cold War-era paranormal espionage thriller from acclaimed genre-bender Michael J. Martinez. It is a new world, st...

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.