Daniel Rockfern Books

Ride clear of Daranga

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The town was locked up tight. Hired killers made it unhealthy to ask questions and most people rode clear of Daranga. But, three Justice Department men had died violently in the Rio Blanco country...

Bad day at Agua Caliente

By Daniel Rockfern

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Massacre in Madison

By Daniel Rockfern

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Shootout at Fischer s Crossing Black Horse Westerns

By Daniel Rockfern

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Manhunt in Quemado

By Daniel Rockfern

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Nix was a gun-runner and a killer. He turned Angel's sidekick loose - naked and unarmed - into the Valley of Death. Nix promised to come after him some time. Angel's mission was to find his friend'...

Duel at Cheyenne

By Daniel Rockfern

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George Willowfield learned a long time ago that in life everything had to be paid for. You paid in money, or blood, or sweat or time, but you paid. For George, the easiest way was money. So he stol...

Hell in the Mesquites

By Daniel Rockfern

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Hell in the Mesquites

By Daniel Rockfern

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"The name he gives is Green. Seemingly, just another drifting puncher. But you look again ... and notice the whipcord frame - eyes that can change to icy menace in seconds. You'll see the matched C...

Manhunt in Quemado

By Daniel Rockfern

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Nix was a gun runner and a killer. He turned Angel's sidekick loose-naked and unarmed-into the Valley of Death. Nix promised to come after him sometime. Angel's mission was to find his friend's kil...

Duel at Cheyenne

By Daniel Rockfern

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George Willowfield decided one day to steal a train and ask the US government for $250,000 to get it back. Now Frank Angel has the job of delivering the money -- and trailing and catching the man r...

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.