Dean Koontz Books

Cold Fire

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A man on a mission must come to terms with his forgotten past in this gripping thriller from #1 New York Times bestselling author Dean Koontz.In Portland, he saved a young boy from a drunk driver....

Strange visions plague a man after he survives a near-death experience in this chilling thriller from #1 New York Times bestselling author Dean Koontz.Surviving a car accident on a snowy mountain r...

Dragon Tears

By Dean Koontz

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A cop races against time to prevent his own death in this heart-pounding thriller from #1 New York Times bestselling author Dean Koontz.Harry Lyon is a rational man, a cop who refuses to let his jo...

Whispers

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Darkfall

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Twilight Eyes

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In this chilling thriller from #1 New York Times bestselling author Dean Koontz, the carnival is coming to town—and it's like nothing you've ever seen.Slim MacKenzie is no ordinary man. With eyes t...

Watchers

By Edward Gorman

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A “superior thriller”(Oakland Press) about a man, a dog, and a terrifying threat that could only have come from the imagination of #1 New York Times bestselling author Dean Koontz—nominated as one...

The eyes of darkness

By Dean Koontz

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Tina Evans dreams that her son Danny is still alive. And when she wakes, she finds a message scrawled on Danny's chalkboard: not dead. Tina searches for the truth and learns that there are some thi...

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.