Simon Kurt Unsworth Books

The devil s detective

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Thomas Fool is an Information Man, an investigator tasked with cataloging and filing reports on the endless stream of violence and brutality that flows through Hell. His job holds no reward or sati...

The Devil s evidence

By Simon Kurt Unsworth

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"Fool alone has survived the wrath of both demon and angel, and now he faces his most thrilling and complex challenge. Troubling and deadly fires are spreading throughout Hell, and it is Fool’s job...

The Devil's Detective

By Simon Kurt Unsworth

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Something is changing in Hell.    A man is found dead, murdered in a horrific manner--even by Hell's standards--and he is merely the first of many. Unfortunately, these deaths coincide wi...

The Devil's Evidence

By Simon Kurt Unsworth

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Thomas Fool is a detective from Hell--literally. Having survived the wrath of both angel and demon, and still without memory of his life on earth, Fool is currently spending his damnation as a bure...

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.