Merrill Hagan Books

Teen Titans GO! Vol. 1: Party, Party!

By Lea Hernandez, Ricardo Sánchez, Chris Gugliotti, Jorge Corona, Amy Wolfram, Ben Bates, Merrill Hagan, Sholly Fisch, Cartoon Network (Television Network)

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Based on the hit TV show, feast your eyes on this all-ages comic book series! Join Robin, Starfire, Beast Boy, Cyborg and Raven as they display their unique brand of hijinks, mayhem and justice! Bu...

Idol Hands and Cold Blooded

By Merrill Hagan, Sholly Fisch

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G.I. JOE

By J. T. Krul, Merrill Hagan, Max Brooks, Chuck Dixon, Christos N. Gage, Mike Costa

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Spider-Man: Maximum Venom: Volume 1 (Marvel Spider-Man) (Screen Comix)

By Kevin Burke, Denise Downer, RH Disney, Merrill Hagan, Chris Wyatt, Marvel Animation (Firm)

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Marvel's Maximum Venom Screen Comix is a graphic novel-style retelling with full-color images and dialogue from the series! The epic story of Peter Parker's sophomore year is retold in the new Scre...

Hello Kitty and Friends You re My BFF

By Sanrio, Merrill Hagan, Kristen Tafoya Humphrey

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Hello Kitty and Friends Magnet Set

By Sanrio, Merrill Hagan, Kristen Tafoya Humphrey

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Hello Kitty and Friends Character Guide

By Merrill Hagan, Kristen Tafoya Humphrey

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Hello Kitty and Friends Character Guide

By Merrill Hagan, Kristen Tafoya Humphrey

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Stare Master and Royal Pains

By Wes Abbott, Merrill Hagan, Sholly Fisch, Jeremy Lawson, Jorge Corona

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My Little Mustache and Family Plan

By Dario Brizuela, Wes Abbott, Merrill Hagan, Sholly Fisch, Jeremy Lawson

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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.