Peter B. Gillis Books

MARVEL MASTERWORKS: DOCTOR STRANGE VOL. 11

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It's the end of an era for Doctor Strange as this Masterworks volume collects the thrilling conclusion of one of his earliest solo comic runs!As the Sorcerer Supreme, Doctor Strange protects our di...

STRIKEFORCE: MORITURI OMNIBUS BRENT ANDERSON ULTIMATE SACRIFICE COVER

By Peter B. Gillis

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The epic sci-fi cult favorite sensation of the ’80s is collected in a single hardcover!A savage alien race called the horde has invaded Earth, enslaving its people and plundering its resource...

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.