Mark Morris Books

Fourbodings

By Mark Morris, Simon Clark, Lamsley Terry, Tim Lebbon

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Transported through time to the dank streets of Victorian London, Alex Locke seeks to unravel the mysteries of the Obsidian Heart, the enigmatic object to which his fate is inextricably bound. When...

Noah: The Official Movie Novelization

By Mark Morris

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ONE MAN’S QUEST TO SAVE MANKINDWhen he has a vision about a flood sent to destroy all life on earth, Noah knows what he must do. Together with his family, he must save two of every livin...

New Fears

By Mark Morris

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Winner of the British Fantasy Society Award for “Best Anthology” An electrifying horror anthology featuring 19 stories by award-winning heavyweights of the genre—including Bird B...

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.