Martin Hill Ortiz Books

Never kill a friend
Never kill a friend

By Martin Hill Ortiz

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"A gripping tale of one woman's fight against a system that is destroying an innocent man. Detective Shelley Krieg has lived her entire life in the Lincoln Heights neighborhood of Washington, DC. A...

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A Predator s Game
A Predator s Game

By Martin Hill Ortiz

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Rom Zom Com
Mystery Weekly Magazine October 2016
Predatory Mind
Predatory Mind

By Martin Hill Ortiz

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Best Short Stories Volume III
Floor 24
Floor 24

By Martin Hill Ortiz

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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.

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