Eric Trueheart Books

Invader Zim

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In this volume... questions will be answered! Why does an Irken need to go to the bank? What is 'talent'? What are 'pants'? And who is Groyna? But wait! There are other questions, which won't be an...

Invader Zim

By Dave Crosland, Eric Trueheart

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Invader ZIM Vol. 2

By Jhonen Vasquez, Eric Trueheart, Danielle Koenig, Sarah Andersen

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Invader Zim

By Sam Logan, Eric Trueheart, Sarah Graley

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Invader Zim

By Sam Logan, Eric Trueheart, K.C. Green

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Invader Zim

By Sam Logan, Kate Sherron, Fred C. Stresing, Eric Trueheart

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Invader ZIM Best of World Domination

By Warren Wucinich, Jhonen Vasquez, Fred C. Stresing, Eric Trueheart

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Invader Zim

By Various Eric Trueheart

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Invader Zim

By Jhonen Vasquez, Eric Trueheart, Aaron Alexovich

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**"Never has a comic so purposefully stupid lied on a foundation of comedic skill so honed and smart."** You said it, Paste Magazine. From the far reaches of weird space to the incomprehensible wo...

Invader Zim

By Aaron Alexovich

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Volume 3 of the hit comic series (based on the hit Nickelodeon TV show) INVADER ZIM will face foes like those never seen before!

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.