Ryan Ottley Books

Amazing Spider Man by Nick Spencer Vol. 4

By Ryan Ottley, Nick Spencer, Nick J. Spencer

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Amazing Spider Man by Nick Spencer Vol. 6

By Ryan Ottley, Marvel Comics, Nick Spencer

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Amazing Spider Man by Nick Spencer Vol. 8

By Iban Coello, Ryan Ottley, Nick Spencer

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Amazing Spider Man by Nick Spencer Vol. 10

By Humberto Ramos, Chris Bachalo, Mark Bagley, Ryan Ottley, Nick Spencer, Jed MacKay, Federico Vincentini, Patrick Gleason, Saladin Ahmed, Tradd Moore, Kurt Busiek

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AMAZING SPIDER-MAN BY NICK SPENCER OMNIBUS VOL. 1

By Nick Spencer

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Few writers have put Peter Parker through the wringer quite like Nick Spencer! His epic and sprawling run begins with an alien invasion, a troublesome doppelganger and a shocking new roommate: the...

Grizzlyshark Vol. 1

By Kelsey Shannon, Ryan Ottley, Ivan Plascencia

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Hack Slash Omnibus Vol. 3

By Brian Baugh, Ryan Ottley, Tim Seeley, Kevin Mellon

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Hack Slash Omnibus Vol. 4

By Brian Baugh, Ryan Ottley, Tim Seeley, Kevin Mellon

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Haunt Vol. 1

By Todd Mcfarlane, Ryan Ottley, Greg Capullo, Robert Kirkman

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Invincible Compendium Vol. 3

By Nathan Fairbairn, Ryan Ottley, Rus Wooto, Robert Kirkman

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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.