Walt Simonson Books

Alien: The Illustrated Story

By Archie Goodwin Illustrated By Walt Simonson

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Vacant. Two space helmets resting on chairs. Electronic hum. Lights on the helmets begin to signal one another. Moments of silence. A yellow light goes on. Electronic hum. A green light goes on in...

Battlestar Galactica

By Roger McKenzie

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X Factor

By Louise Simonson, Walt Simonson

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Grandes autores de Superman

By Fabian Ricardo Rodriguez Piastri, Tim Hildebrandt, Walt Simonson, Greg Hildebrandt, Kurt Busiek

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World of Warcraft 3. Vientos de guerra

By Walt Simonson

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Thor 5

By Walter ... Et Al. Simonson

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What If Classic Volume 3 TPB

By Ross Andru, Gary Friedrich, Pat Broderick, Doug Moench, Tom Sutton, Peter Gillis, Rick Hoberg, Herb Trimpe, Marv Wolfman, George Perez, John Buscema, Walt Simonson, Don Glut, Carmine Infantino, Steven Grant

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Thor Visionaries Walt Simonson Vol. 4

By Walt Simonson

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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.