Patrick Carman Books

Quake

By Patrick Carman

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Phantom File

By Patrick Carman

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Guys Read

By Patrick Carman

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Dark Eden

By Patrick Arrasmith, Patrick Carman

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Mr. Gedrick and me

By Patrick Carman

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Stanley Darrow isn't sure what to expect when the mysterious Mr. Gedrick appears on his doorstep. He is certain, however, that his family could use Mr. Gedrick s help: Their lives and their house h...

Mr. Gedrick and Me

By Patrick Carman

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Fizzopolis

By Patrick Carman, Brian Sheesley

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Fizzopolis 2

By Patrick Carman, Brian Sheesley

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Fizzopolis 3

By Patrick Carman, Brian Sheesley

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Thirteen days to midnight

By Patrick Carman

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In the aftermath of the accident that killed his foster father, high school student Jacob Fielding discovers that he has acquired the power of indestructibility, and the more he learns about it the...

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.