Mark Cassell Books

Sussex Horrors

By Jonathan Broughton, Mark Cassell, Rayne Hall

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More Horror Writing Prompts

By Mark Cassell, Rayne Hall

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DARK PLACES EVIL FACES Volume II

By Ramsey Campbell, Jack Ketchum, Stephen Laws, Mark Cassell, Matt Hickman, MARK LUMBY, Clive Barker, Graham Masterton, Joe R. Lansdale

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"Governments throughout the world confront enormous challenges when divesting. Whether it is poor-performing bank loans in Japan and Korea, military bases in the United States, or real estate in Ea...

How Governments Privatize

By Mark Cassell

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Terror Tract

By Wayne Lemmons, Jasper Bark, Dusty Davis, Mark Cassell, R. C. Mulhare

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Horror Collection

By Lex H. Jones, Mark Allan Gunnells, Mark Cassell, Amy Cross, Mark Tufo

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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.