Adam Wallenta Books

Punk Taco

By Adam Wallenta

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Art of Zombie Warfare

By Scott Kenemore, Adam Wallenta

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Incredible Plate Tectonics Comic

By Adam Wallenta, Kanani K. Lee

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I in Evil

By Adam Wallenta, Ken W. Hanley

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The Incredible Plate Tectonics Comic

By Adam Wallenta, Kanani K.M. Lee

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The Incredible Plate Tectonics Comic is a wild adventure in earth science. Follow Geo and his robot dog, Rocky, as they travel back in time to Pangea, surf a tsunami, and escape an erupting volcano...

Supervillain Handbook

By Adam Wallenta, Matt D. Wilson, King Oblivion

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Supervillain Field Manual

By Adam Wallenta, Matt D. Wilson, King Oblivion

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Cool Sports Dad

By Adam Wallenta, David Fischer

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Dad Rules

By Adam Wallenta, Michael Milligan, Tom Lynch

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Grandma Rules

By Adam Wallenta, Michael Milligan, Jill Milligan

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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.