Clay Griffith Books

The uneasy stalemate between vampires and humans is over. Adele and Gareth are bringing order to a free Britain, but bloody murders in London raise the specter that Adele's geomancy is failing and...

Flash: The Haunting of Barry Allen

By Clay Griffith, Susan

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An original novel by Clay Griffith & Susan Griffith based on the hit Warner Bros. series created by Greg Berlanti & Andrew Kreisberg & Geoff Johns Speeding through Central City, Barry Allen is...

Arrow - A Generation of Vipers

By Clay Griffith, Susan

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The second original novel based on the hit Warner Bros. TV show Arrow and concluding the first crossover between The Flash and Arrow novels!    &#1...

Banshee Screams

By Susan Griffith, Clay Griffith

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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.