William Messner Loebs Books

The mysterious power known as the Speed Force is an energy field that has, over the centuries, granted incredible powers of velocity to certain heroes.The most famous of these is the Flash, al...

Wonder Woman Book 1

By William Messner Loebs

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Wonder Woman Book 2

By William Messner Loebs

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Whisper of Madness

By Mark Waid, Steve Niles, William Messner Loebs, Tom Peyer, Michael Alan Nelson

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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.