Derek Charm Books

Call Your Squirrelfriends

By Marvel Comics, Naomi Franquiz, Derek Charm, Ryan North

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Unbeatable Squirrel Girl Vol. 12

By Derek Charm, Ryan North

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Star Wars: Vader's Castle The Deluxe Library Collection

By Written By Cavan Scott Illustrated By Francesco Francavilla Derek Charm, Megan Levens Colors By Charlie Kirchoff Letters By AndWorld Design

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Horror comes to a galaxy far, far away! The complete stories of the iconic villain’s spooky lair are collected in an oversized hardcover graphic novel for the first time, including creepy new...

Star Wars Adventures 2

By Pierrick Colinet, Elsa Charretier, Derek Charm, Cavan Scott

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Star Wars Adventures

By Landry Q. Walker, Derek Charm

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After their victory in the Super Secret Crisis War, the Powerpuff Girls take it easy with a rare VIP tour of Dexter's Laboratory! But when tag-along Dee Dee accidentally activates Dexter's newest i...

Jughead's Time Police

By Sina Grace

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Sina Grace (Iceman) and Derek Charm (Jughead) traverse the time stream to bring back a cult classic series!When Jughead messes up his Riverdale Annual Bake-Off pie recipe so terribly, he is disqual...

Jughead's Time Police

By Sina Grace

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Star Wars Adventures Omnibus Vol. 1

By Landry Q. Walker, Eric Jones, Elsa Charretier, Derek Charm, Cavan Scott

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Star Wars

By Chris Fenoglio, Corin Howell, Kelley Jones, Derek Charm, Cavan Scott

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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.