Patrick McEown Books

Grendel Omnibus Volume 4: Prime (Second Edition)

By Written By Matt Wagner, Greg Rucka. Art By Matt Wagner Patrick McEown Monty Sheldon. Colors By Bernie Mireault Kathryn Delaney. Cover By Simon Bisley.

Average: 0.00, 0 Ratings

In the chaos wrought by the death of Grendel-Khan Orion Assante, his young son Jupiter—heir to the throne—finds protection with his father’s secret weapon: an unstoppable cybernet...

Hair shirt

By Pat McEown

Average: 0.00, 0 Ratings

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.