Michael J. Martinez Books

MJ 12 Shadows

By Michael J. Martinez

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Vault Career Guide to Actuarial Careers

By Mike Martinez

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Enceladus Crisis

By Michael J. Martinez

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Daedalus Incident Revised

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...

Daedalus Incident

By Michael J. Martinez

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The Enceladus Crisis Book Two of the Daedalus Series

By Michael J. Martinez

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Venusian Gambit

By Michael J. Martinez

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MJ 12 Inception

By Michael J. Martinez

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MJ 12 Inception

By Michael J. Martinez

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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.