Alan Cowsill Books

Marvel s Captain America

By Daniel Wallace, Alan Cowsill, Matt Forbeck

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DC Comics

By Cowsill Alan Irvine Alex Manning Matthew K. McAvennie Michael Wallace D

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Created in full collaboration with DC Comics, this easy-to use A-to-Z guide is the most comprehensive reference book on the DC Comics characters. Packed with information and thrilling comic book ar...

DC The Comics Encyclopedia

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Los Vengadores. Enciclopedia de personajes

By Marvel, Editorial Planeta S. A.

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DC Comics Year by Year a Visual Chronicle

By DK Publishing

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Captain America

By Stan Lee, Daniel Wallace, DK Publishing, Alan Cowsill, Matt Forbeck

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Marvel Encyclopedia New Edition

By Alan Cowsill, James Hill, Melanie Scott

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DC Comics la historia visual

By Alan Cowsill

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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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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.