Dan Watters Books

THE WARRIOR ANGEL OF ST. DUMAS RETURNS!Jean-Paul Valley does not want to be Azrael ever again. All it has brought him is pain, violence, and misery. He has sequestered himself away at a monastery i...

Batman: Detective Comics Vol. 3: Gotham Nocturne: Act II

By Dan Watters

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WHAT LIES BENEATH GOTHAM?The Dark Knight investigates below the old ruins of Arkham Asylum, uncovering a demon-infested mystery tying Gotham to the Orgham family from centuries back...including the...

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.