Rich Margopoulos Books

Monster Among Us Sup Adv

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The members of the Earth Corps team up with the mighty Granite warriors to defeat Tendril, a monstrous inhumanoid responsible for terrorizing the citizens of Los Angeles.

A monster among us

By Rich Margopoulos

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The members of the Earth Corps team up with the mighty Granite warriors to defeat Tendril, a monstrous inhumanoid responsible for terrorizing the citizens of Los Angeles.

Haunt Of Horror

By Richard Corben, Rich Margopoulos

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Macbeth AGS Illustrated Classics Shakespeare Collection

By William Shakespeare

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Tales of the black diamond

By Richard Corben

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Jose Gonzalez Vampirella Art Edition

By T. Casey Brennan, Steve Englehart, Archie Goodwin, Rich Margopoulos, Josep Toutain, Bill DuBay, Mike Butterworth

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Vampirella Archives Volume 13

By Michael Fleisher, John Lakey, Esteban Maroto, Roger McKenzie, Rich Margopoulos, Nicola Cuti, Gerry Boudreau, Jim Stenstrum, Val Lakey, Bill DuBay, Bruce Jones, Don Glut

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Vampirella Archives Volume 14

By Anton Caravana, Esteban Maroto, Timothy Moriarty, Noly Panaligan, Archie Goodwin, Scott Hampton, Rich Margopoulos, Carl Wessler, Nicola Cuti, Kevin Duane, Val Lakey, Bruce Jones

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Creepy Archives Volume 16

By Bruce Bezaire, Rich Margopoulos, Budd Lewis, Gerry Boudreau, Bill DuBay, Doug Moench

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Haunt of Horror

By Richard Corben, Rich Margopoulos

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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.