Victor Koman Books

Force Majeure (Millennium, No 3)

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Burned out, afraid for the safety of his wife and daughter, Frank Black has left the FBI. Now part of a shadowy underground force, Frank's mission is to take down the maniacs preying on the innocen...

Weeds (Millennium, No 5)

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Spaceways 13

By Andrew J. Offutt

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Spaceways 17/Carnadyn

By Andrew J. Offutt, John Cleve, Victor Koman, John Cleve (Pseudonym)

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The Jehovah contract

By Victor Koman

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Solomon's Knife

By Victor Koman

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Starship Women

By Victor Koman

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Kings of the High Frontier

By Victor Koman

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Solomon s Knife

By Victor Koman

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The Jehovah Contract

By Victor Koman

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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.