Dean Koontz Books

The Whispering Room: A Jane Hawk Novel

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"Jane Hawk--fiction's most relentless, resourceful, stunning new heroine--continues her battle against a murderous conspiracy in the riveting sequel to The Silent Corner. "No time to delay. Do what...

Night Chills

By Dean Koontz

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Shattered

By Dean Koontz

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Darkness Comes

By Dean Koontz

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Chase

By Dean Koontz

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The Vision

By Dean Koontz

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Strangers

By Dean Koontz

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Twilight Eyes

By Dean Koontz

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False Memory

By Dean Koontz

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Prodigal Son

By Kevin J. Anderson, Dean Koontz

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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.