Christopher Farnsworth Books

The eternal world

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Five hundred years ago, a group of Spanish conquistadors land in the New World, searching for gold. What they find is a treasure far more valuable: the Fountain of Youth. The Spaniards slaughter th...

Killfile: A Novel

By Christopher Farnsworth

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Flashmob

By Christopher Farnsworth

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Blood Oath

By Christopher Farnsworth

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Blood Oath: The President's Vampire 1

By Christopher Farnsworth

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In 1867 a man accused of vampirism was tried for murder and sentenced to death. He was then pardoned by President Andrew Johnson. However, Nathanial Cade's pardon came at a price. In return for his...

The President's Vampire: The President's Vampire 2

By Christopher Farnsworth, Christop Farnsworth

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Red, White, and Blood

By Christopher Farnsworth

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“This is not a man. In almost a hundred years, I have seen it shot, stabbed, drowned, burned, decapitated, dismembered, and buried. And in almost a hundred years, there’s only one thing...

The President s Vampire

By Christopher Farnsworth, Bronson Pinchot

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Blood Oath Lib E

By Christopher Farnsworth, Josh Stanton, Patti Pirooz, Bronson Pinchot

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Red White and Blood

By Christopher Farnsworth, Bronson Pinchot

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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.