Cooper, Mark E Books

The Warrior Within

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Los Angeles, a city where monsters live cheek by jowl with humans. A city where violence simmers just below the surface. Lieutenant Christine Humber of the LAPD's robbery homicide division is well...

Hard Duty: Merkiaari Wars

By Mark E. Cooper, Cooper, Mark E

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Los Angeles, a city where monsters live cheek by jowl with humans. A city where violence simmers just below the surface. Lieutenant Christine Humber of the LAPD's robbery homicide division is well...

Wolf'S Revenge

By Mark, E Cooper, Mark E. Cooper, Cooper, Mark E

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Los Angeles, a city where monsters live cheek by jowl with humans. A city where violence simmers just below the surface. Lieutenant Christine Humber of the LAPD's robbery homicide division is well...

The God Decrees: Devan Chronicles Part 1

By Mark E Cooper, Cooper, Mark E

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Wolf'S Revenge: Shifter Legacies

By Mark E. Cooper, Cooper, Mark E

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Los Angeles, a city where monsters live cheek by jowl with humans. A city where violence simmers just below the surface. Lieutenant Christine Humber of the LAPD's robbery homicide division is well...

The God Decrees

By Mark E. Cooper, Cooper, Mark E

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Los Angeles, a city where monsters live cheek by jowl with humans. A city where violence simmers just below the surface. Lieutenant Christine Humber of the LAPD's robbery homicide division is well...

What Price Honour

By Mark, E Cooper, Cooper, Mark E

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Under Attack, She'll Stop At Nothing To Keep Her Crew Alive. Nanotechnology Was All That Sustained Humanity In Their Brutal War Against The Merkiaari. The Consequence Was The Creation Of Vipers, A...

Hard Duty (Merkiaari Wars, #1)

By Cooper, Mark E

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Humanity's last encounter with aliens saw sixteen point two billion people killed in a war with the Merkiaari that had spanned decades. Two hundred years later, the Alliance is cautiously exploring...

Incursion: Merkiaari Wars Book 5

By Cooper, Mark E

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The war games are on, but the real battle has just begun...The Alliance is ready for the war games. The spectacular show of innovation and strength may change the way war is waged, but on far-flung...

Operation Breakout: Merkiaari Wars Book 4

By Cooper, Mark E

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Kate Richmond, former army ranger and ISS operative, has seen a lot in her life. Sabotage, espionage, cyber theft, and assassination missions have all played their parts in her journey to becoming...

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.