Dean Koontz Books

Shadowfires

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After her husband's mangled corpse disappears from the morgue, Rachel is stalked by a mysterious stranger who is seeking revenge on her.

The funhouse

By Dean Koontz

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Annotation: Once there was a girl who ran away and joined a traveling carnival. She married a man she hated and begat a child she could never love. Now Ellen has a new life, a new husband and two...

Koontz II 3 Vol. Boxed Dragon Tears House of Thunder Midnight

By Dean Koontz

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The key to midnight

By Dean Koontz

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Alex Hunter, the American owner of a Japanese nightclub, helps a fellow American discover the truth about her real identity.

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.