Frank Chadwick Books

Dark Conspiracy

By Loren K. Wiseman, Lester W. Smith, Frank Chadwick

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Shapes that rip and tear. Shadows that live in corners. Windows in space and time that lead to realms of madness and decay. A dark, lurking horror that feeds off the echoing anguish of a billion to...

Desert Shield Fact Book

By Frank Chadwick

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Conspiracy of Silence Space

By Andy Frankham Allen, Frank Chadwick

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Prince of Mars Space

By Frank Chadwick

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Dark Side of Luna Space

By J. T. Wilson, Frank Chadwick

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Ironclads Ether Flyers

By Frank Chadwick

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Ship of Destiny

By Frank Chadwick

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Ship of Destiny

By Frank Chadwick

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Volley & Bayonet (wargame rules for 18th & 19th century battles of the black powder era)

By Greg Novak, Frank Chadwick

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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.