James Kochalka Books

American Elf 3

By James Kochalka

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SuperF ckers (SuperF ckers 1)

By James Kochalka

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Foul-mouthed, filthy-minded, and completely oblivious, these young "heroes" do everything BUT fight crime — they’re too busy getting high, hazing the new kids, playing video games, sche...

Johnny Boo Does Something! (Johnny Book Book 5)

By James Kochalka

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What does Johnny Boo do when there's nothing to do? Johnny Boo Does Something! In fact, he does a LOT of things! Watch Johnny Boo have a Boring Adventure and discover Yawn Power, write an angry let...

American Elf Book 4 The Collected Sketchbook Diaries of James Kochalka January 1 2008 December 31 2011

By James Kochalka

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Johnny Boo Meets Dragon Puncher

By James Kochalka

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Johnny Boo, the best little ghost in the world, teams up with everyone's favorite robot-kitty-warrior, Dragon Puncher, to take on a terrifying Ice Dragon!

Johnny Boo Goes Like This! (Johnny Boo Book 7)

By James Kochalka

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Johnny Boo and Squiggle come across a giant pencil! Is it magical? Whatever it is, when Johnny Boo draws with it, his drawings come to life. Before you know it, they're off on another adventure, fi...

Mechaboys

By James Kochalka

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Superbad meets Transformers in James Kochalka's next great graphic novel, with a genuine high-school sweetness mixed in with robot action, comedy, and plenty of fistfights.Two lovable dirtbag teens...

Johnny Boo and the Ice Cream Computer (Johnny Boo Book 8)

By James Kochalka

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"The best little ghost in the world," and his pet ghost, Squiggle, are back in their most delicious adventure yet! It's a new delightful romp for young readers and families from the award-winn...

Glork Patrol (Book One): Glork Patrol on the Bad Planet

By James Kochalka

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Exploding from the beloved Glorkian Warrior video game and graphic novels: a hilarious new outer-space adventure, from the creator of the Eisner-Award-winning series JOHNNY BOO and DRAGON PUNCHER!W...

Johnny Boo and the Silly Blizzard (Johnny Boo Book 12)

By James Kochalka

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James Kochalka's beloved Eisner-award-winning series takes a wintry turn as Johnny Boo and Squiggle discover the delights of eating snow -- and the importance of staying warm!Kids love to eat snow!...

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.