Jarrett Krosoczka Books

Force Oversleeps Star Wars Jedi Academy 5

By Jarrett J. Krosoczka

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Hey Kiddo

By Jarrett J. Krosoczka

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The First Helping (Lunch Lady Books 1 & 2)

By Jarrett J. Krosoczka

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Fans of Captain Underpants won't want to miss the adventures of a lunch lady who serves justice--now available for the first time as a full-color graphic novel featuring two-books-in-one!Serving ju...

Recess

By Jarrett J. Krosoczka, Raina Telgemeier, Dav Pilkey, Jennifer L. Holm, Matthew Holm

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Lunch Lady And The Author Visit Vendetta

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Lunch Lady And The Bake Sale Bandit

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Lunch Lady and the field trip fiasco

By Jarrett Krosoczka

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Lunch Lady, a secret crime fighter, accompanies the Breakfast Bunch on a class trip to an art museum, but when Dee, Hector, and Terrence begin to think there is something strange afoot, she suspect...

Lunch Lady And The Video Game Villain Turtleback School Library Binding Edition

By Jarrett Krosoczka

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Jedi Academy 9

By Jarrett Krosoczka, Amy Ignatow

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At Last Jedi

By Jarrett Krosoczka, Amy Ignatow

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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.