Douglas Niles Books

Starstrike: Operation Orion

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SEALS–America’s best just got better.On the heels of a bloody first contact comes Earth’s most important diplomatic mission in history: a summit meeting with the three alien empires vying for contr...

Noble Cause

By Douglas Niles

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We Were Berliners

By Charlotte Jacobitz, Douglas Niles, Helmut Jacobitz

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We Were Berliners

By Charlotte Jacobitz, Douglas Niles, Helmut Jacobitz

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We were Berliners

By Helmut Jacobitz

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Circle at Center

By Douglas Niles

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Goddess Worldweaver

By Douglas Niles

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Darkwalker on Moonshae

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Black Wizards

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The Coral Kingdom

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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.