Michael M. Hughes Books

Michael M. Hughes’s Blackwater Lights combines the eldritch horror of H. P. Lovecraft with the supernatural thrills of Dean Koontz. When Ray Simon receives a desperate call from his childhood fri...

Witch Lights

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The heir to H. P. Lovecraft by way of Dean Koontz, Michael M. Hughes returns with a new tale of paranormal horror—the hair-raising follow-up to Blackwater Lights. Thrown together in the fight aga...

From the cult-favorite author of Blackwater Lights comes the finale to a dark paranormal horror trilogy in the cosmic horror vein of H. P. Lovecraft. The world is collapsing. Governments have falle...

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.