Mike Petrik Books

Johnny Works with One Hammer

By Nicholas Ian, Mike Petrik

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One Cool Duck 1

By Mike Petrik

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What's cool, anyway? Skateboards, pizza, arcade games—and being kind! This buoyant young graphic chapter book introduces Duck and pals, kicking off a series that makes real-life friendship is...

One Cool Duck 1

By Mike Petrik

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What's cool, anyway? Skateboards, pizza, arcade games—and being kind! This buoyant young graphic chapter book introduces Duck and pals, kicking off a series that makes real-life friendship is...

One Cool Duck 1

By Mike Petrik

Average: 0.00, 0 Ratings

What's cool, anyway? Skateboards, pizza, arcade games—and being kind! This buoyant young graphic chapter book introduces Duck and pals, kicking off a series that makes real-life friendship is...

Duck and the gang want to build a cool hangout in the second book in this graphic chapter book series perfect for fans of Narwahl and Jelly.When the gang decides to build a hangout where everyone c...

One Cool Duck 2

By Mike Petrik

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One Cool Duck 2

By Mike Petrik

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One Cool Duck 3

By Mike Petrik

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Duck and the gang have built the FAR OUT FORT and now they are playing a mega game of Capture the Flag--in the third installment of this “cool” graphic chapter book series, perfect for...

One Cool Duck 3

By Mike Petrik

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Duck and the gang have built the FAR OUT FORT and now they are playing a mega game of Capture the Flag--in the third installment of this “cool” graphic chapter book series, perfect for...

One Cool Duck 3

By Mike Petrik

Average: 0.00, 0 Ratings

Duck and the gang have built the FAR OUT FORT and now they are playing a mega game of Capture the Flag--in the third installment of this “cool” graphic chapter book series, perfect for...

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.