Alan Cowsill Books

DC Comics la historia visual

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A chronological account of DC Comics the company and DC Comics the universe traces the major milestones, from company name changes and its foray into television and movies to the debuts of major ch...

DC Comics la historia visual

By Alan Cowsill

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DC Comics la historia visual

By Alan Cowsill

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Marvel Encyclopedia Collector s Edition

By Alan Cowsill, James Hill, Melanie Scott

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DC Comics Encyclopedia

By DK Publishing

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MARVEL COMICS 75 ANOS DE HISTORIA GRAFICA

By DK

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Marvel Avengers

By DK Publishing, Cowsill Alan

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Marvel Encyclopedia New Edition

By Alan Cowsill, James Hill, Melanie Scott

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NEWLY UPDATED AND COMPREHENSIVELY REVISED FOR 2024.--------The official and definitive guide to the characters of the dynamic, ever-expanding Marvel Universe – now updated with more than 1,200 icon...

Marvel Encyclopedia Collector's Edition

By Alan Cowsill, James Hill, Melanie Scott

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For the ultimate Marvel fan, only the ultimate book will do. And that’s why DK has pulled out all the stops to bring you the Marvel Encyclopedia: Collector’s Edition.As well as all of the carefully...

Marvel the Way of the Warrior

By Alan Cowsill

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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.