David Alan Mack Books

"'In every revolution, there is one man with a vision.' Captain James T. Kirk of the United Federation of Planets spoke those prophetic words to Commander Spock of the Terran Empire, hoping to insp...

Storming Heaven

By David Alan Mack

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In the saga's finale, Admiral Nogura sends the scout ship Sagittarius to find an ancient weapon that might be the Federation's only hope of stopping the Shedai, while Tholia, teetering on the brink...

Lost souls

By David Alan Mack

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Second Nature

By David Alan Mack

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An all-new Star Trek series begins! A new mission: The late twenty-third century--Starfleet's golden age of exploration. Desperate to stay one step ahead of its rivals, the Federation sends two sta...

Disavowed Section 31 Book Six

By David Alan Mack

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Amoral, shrouded in secrecy, and answerable to no one, Section 31 is the mysterious covert operations division of Starfleet, a rogue shadow group committed to safeguarding the Federation at any cos...

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.