Kelley Jones Books

Originally conceived in the 1960s by the visionary team of writer Arnold Drake and artist Bruno Premiani, the Doom Patrol was reborn a generation later through the singular imagination of a young S...

Harley Quinn

By Brandt Peters, Jimmy Palmiotti, John Timms, Amanda Conner, Darwyn Cooke, Ben Caldwell, Mauricet, Joe Quinones, Stjepan Ejic, Kelley Jones, Chad Hardin

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"Harley was certain she could have it all: She could be the world's best landlord, protect Coney Island from the scum of the Earth, woo Mason Macabre, work her day job as a psychiatrist, volunteer...

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.