Rich Tommaso Books

Dick Tracy Dead or Alive

By Michael Allred, Lee Allred, Rich Tommaso

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In the Garden of Earthy Delights

By Rich Tommaso

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Black Hammer Omnibus Volume 2

By Rich Tommaso, Written By Jeff Lemire Illustrated By Dean Ormston Emi Lenox

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The long-awaited conclusion to the highly acclaimed, Eisner Award–winning superhero saga.Torn from the Farm and faced with startling revelations about their last ten years, the Black Hammer c...

The Horror of Collier County (20th Anniversary Edition)

By Rich Tommaso

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Collects issues #1-#5 of the cult classic series by Dry County creator Rich Tommaso, and featuring new cover art, fully colored and collected in a deluxe hardcover format for the first time, and fe...

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.