Duncan Rouleau Books

Marvel Holiday Digest

By Shaenon Garrity, Takeshi Miyazawa, Roberto Aguirre Sacasa, Mike Carey, Duncan Rouleau, Tom DeFalco, Mike Perkins, Reilly Brown, Jeff Parker, Roger Cruz, Roger Langridge

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Metal men

By Duncan Rouleau

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Gold, Platina, Mercury, Iron, Lead, Tin and Copper are the amazing androids who combine their unique abilities--and clashing personalities--to fight for justice under the watchful eye of their crea...

Metal Men SC

By Duncan Rouleau

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Ben 10 comic books

By Duncan Rouleau

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Ben Tennyson, a 10-year-old kid who proves that anyone can be a hero! Dr Amino is creating mutant creatures to take over Washington DC and there is only one person who can save the city.

Heroes

By Joe Kelly

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Doktor Animo

By Thomas Pugsley, Teija Gumilar, Duncan Rouleau, Justyna Bruch

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Doktor Animo

By Thomas Pugsley, Teija Gumilar, Duncan Rouleau, Justyna Bruch

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Ben 10 Turbokomiks 12 Efekty uboczne

By Marsha F. Griffin

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100 marvel hc atemporales veneno. y entonces vino una arana la presa

By Larry Hama, Tom Grindberg, Duncan Rouleau, Joe St. Pierre

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Wolverine And The Xmen

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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.