Simon Bisley Books

The biggest baddest DC Universe Bounty Hunter has arrived in a big ol’ compendium written by Lobo creator Keith Giffen.Everyone’s favorite bastich gets his own series of fraggin’...

John Constantine, Hellblazer Vol. 26: The Curse of the Constantines

By Peter Milligan

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It's up to the old mage to solve a few mysteries, but is John Constantine ready for what's about to be thrown at him? A dying woman's desperate need to see her long lost son  sends J...

John Constantine Hellblazer Phantom Pains

By Peter Milligan

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ABC Warriors

By Dave Gibbons, Simon Bisley, Mike McMahon, Pat Mills, Kevin O Neill

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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.