Tom DeFalco Books

Marvel Team-up: Spiderman and Machine Man

By Stan Lee, Tom DeFalco

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Fantastic Four

By Tom DeFalco

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Explores the history of the Fantastic Four comics, describes and illustrates the characters and their super powers and examines some of the story lines of the series.

The Marvel Encyclopedia

By Daniel Wallace, Tom Brevoort, Andrew J. Darling, Tom DeFalco, Michael Teitelbaum, Peter Sanderson

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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.