Patrick Carman Books

The House of Power

By Patrick Carman

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Rivers of Fire

By Patrick Carman

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After Atherton's three-tiered world collapses, ending the geographical division of the social classes, Edgar, Samuel, and Isabel try to restore the flow of water and uncover the world's mysterious...

Omega rising

By Patrick Carman

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"The Voyagers land on a planet made entirely of water where they must find the third element of the Source that will save the Earth"--

Voyagers: Omega Rising (Book 3)

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The action is on the page, on your device, and out of this world! This multiplatform series is part sci-fi, all action-adventure. And you don’t have long to wait—six books are coming all in one yea...

Omega rising

By Patrick Carman

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"The Voyagers land on a planet made entirely of water where they must find the third element of the Source that will save the Earth"--

The Dark Hills Divide: The Land of Elyon, Book 1

By Patrick Carman

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When she finds the key to a secret passageway leading out of the walled city of Bridewell, twelve-year-old Alexa realizes her lifelong wish to explore the mysterious forests and mountains that lie...

Beyond the Valley of Thorns

By Patrick Carman

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Dark Hills Divide Land of Elyon Book 1

By Patrick Carman

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The Land of Elyon 2

By Patrick Carman

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The Dark Hills divide

By Patrick Carman

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When she finds the key to a secret passageway leading out of the walled city of Bridewell, twelve-year-old Alexa realizes her lifelong wish to explore the mysterious forests and mountains that lie...

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.