John Severin Books

Choke Gasp

By Wally Wood, Bernie Krigstein, Graham Ingels, Harvey Kurtzman, John Severin

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The EC Archives: Two-Fisted Tales Volume 1

By More., Written By Harvey Kurtzman Al Feldstein, More. Illustrated By Harvey Kurtzman Wally Wood Johnny Craig John Severin Alex Toth

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Writer-artist-editor Harvey Kurtzman teamed with legendary artists Wally Wood, Johnny Craig, Jack Davis, Al Feldstein, John Severin, Will Elder, and Dave Berg to create these powerful stories of st...

B. P. R. D. Plague of Frogs Hardcover Collection Volume 2

By Dave Stewart, Guy Davis, Bjarn Hansen, Mike Mignola, John Severin

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John Severin

By Marie Severin, Herb Trimpe, John Severin, Jon B. Cooke, Greg Biga

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Our Artists at War

By Richard Arndt, Harvey Kurtzman, Jack Kirby, Steven Fears, John Severin

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Bomb Run And Other Stories

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The Life and Legend of Wallace Wood Volume 1

By Trina Robbins, Bhob Stewart, Grant Geissman, Bill Gaines, Al Williamson, John Severin

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Creepy Archives Volume 20

By Bruce Jones, Carmine Infantino, John Severin

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EC Artists Library Slipcase 3

By Joe Orlando, John Severin, George Evans

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Code of Honor and Other Stories the EC Comics Library

By Will Elder, J. Michael Catron, John Severin

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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.