William Messner Loebs Books

A lowly college student battles to keep the Necronomicon's magic from releasing the magic of the Old Ones and transforming the Middle East into a power strong enough to rule the world.

Aquaman de Peter David vol. 03

By Jim Calafiore, Kirk Van Wormer, Anthony Williams, Andy Lanning, William Messner Loebs, Peter David, Guillermo Ruiz Carreras, Vince Giarrano, Chris Renaud, Roger Robinson

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Thor Epic Collection

By Mark Waid, William Messner Loebs, Warren Ellis, Terry Kavanagh

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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.