Klaus Janson Books

Black Panther

By John Romita, Dean White, Klaus Janson, Reginald Hudlin

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Gambit Classic Volume 2

By Mike Wieringo, Klaus Janson, Howard Mackie, Terry Kavanagh

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Batman

By Frank Miller, Klaus Janson, Lynn Varley

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MARVEL MASTERWORKS: DAREDEVIL VOL. 18

By Dennis O Neil

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Daredevil enters a new era as the iconoclastic Dennis O'Neil takes over the writing reins! Making sure the transition goes from strength to strength, the incomparable Klaus Janson remains aboard fo...

Marauders by Gerry Duggan Vol. 4

By Gerry Duggan, Matteo Lolli, Ze Carlos, Klaus Janson

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MARAUDERS BY GERRY DUGGAN VOL. 2

By Gerry Duggan

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Troubled waters for the Marauders! Double-dealing and backstabbing are the order of the day within the Hellfire Trading Company, but killing Kate Pryde crossed the line. Now the Black King must pay...

DAREDEVIL BY MILLER & JANSON OMNIBUS NEW PRINTING 3

By Frank Miller

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A classic Marvel hero redefined by one of comics' greatest visionaries! Frank Miller's spellbinding scripts and pulse-pounding pencils mark one of Daredevil's greatest eras - but will the Kingpin a...

Captain America Epic Collection

By Larry Alexander, Klaus Janson, Mark Gruenwald, D. G. Chichester, Clark Margaret

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Batman Noir

By Klaus Janson, Frank Miller

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Dark Knight Returns

By Klaus Janson, Frank Miller, Lynn Varley

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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.