Jarrett Krosoczka Books

Platypus Police Squad: Last Panda Standing

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When Detective Rick Zengo is assigned to protect a Kalamazoo City mayoral candidate, he struggles to investigate mysterious threats without the help of his partner, O'Malley, who has been assigned...

UC Bubble Bath Pirates

By Jarrett Krosoczka

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Baghead

By Jarrett Krosoczka

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Annie Was Warned

By Jarrett J. Krosoczka, Jarrett Krosoczka

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Disregarding warnings about the creepy mansion outside of town, Annie bravely goes to investigate on Halloween night and gets a big surprise.

Max for President

By Jarrett J. Krosoczka, Jarrett Krosoczka

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Max and Kelly both want to win the election for class president, but when one of them loses, the winner finds a way to make the loser feel better.

Punk Farm

By Jarrett J. Krosoczka, Jarrett Krosoczka

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At the end of the day, while Farmer Joe gets ready for bed, his animals tune their instruments to perform in a big concert as a rock band called Punk Farm.

My Buddy Slug

By Jarrett Krosoczka

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Baghead

By Jarrett Krosoczka

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Annie was warned

By Jarrett Krosoczka

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Disregarding warnings about the creepy mansion outside of town, Annie bravely goes to investigate on Halloween night and gets a big surprise.

Max for president

By Jarrett Krosoczka

Average: 0.00, 0 Ratings

Max and Kelly both want to win the election for class president, but when one of them loses, the winner finds a way to make the loser feel better.

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.