John Romita Jr. Books

Spider Man Unmasked

By John Romita Jr., Todd McFarlane, Steve Ditko

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Thor

By Dan Jurgens, John Romita Jr.

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Incredible Hulk Vol. 2

By John Romita Jr., Bruce Jones

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Best of Spider Man Vol. 2

By Humberto Ramos, J. Michael Straczynski, Paul Jenkins, John Romita Jr.

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Amazing Spider Man Vol. 6

By J. Michael Straczynski, Jeff Youngquist, John Romita Jr.

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Peter spends his birthday as Spider-Man, fighting alongside other heroes like the Fantastic Four and Doctor Strange to defeat an interdimensional threat that's descended on Manhattan, culminating i...

Essential X Men Volume 5 TPB

By John Romita Jr., Chris Claremont, Barry Windsor Smith, Dan Green

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Wolverine

By Klaus Janson, John Romita Jr., Mark Millar

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Amazing Spider Man Vol. 7

By J. Michael Straczynski, John Romita Jr.

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Spider Man vs. The Black Cat Vol. 1

By John Romita Jr., Marv Wolfman, Pablo Marcos, Keith Pollard, David Michelinie, Roger Stern

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Wolverine

By Klaus Janson, John Romita Jr., Mark Millar

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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.