Tim Waggoner Books

Grimm: The Killing Time

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Portland homicide Detective Nick Burkhardt discovers he is descended from an elite line of criminal profilers known as “Grimms”, charged with keeping balance between humanity and the my...

Night Terrors

By Tim Waggoner

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When you dream, you visit the Maelstrom. Dream long enough and hard enough, and your dreams can break through into the living world.So can your nightmares.And who's there to catch the dre...

Kingsman: The Golden Circle - The Official Movie Novelization

By Tim Waggoner

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With their headquarters destroyed and the world held hostage, members of Kingsman find new allies when they discover a spy organization in the United States known as Statesman. In an adventure that...

Alien: Prototype

By Tim Waggoner

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When an industrial spy steals a Xenomorph egg, former Colonial Marine Zula Hendricks must prevent an alien from killing everyone on an isolated colony planet.Venture, a direct rival to the Weyland-...

Halloween Kills: The Official Movie Novelization

By Tim Waggoner

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The official novelization of the highly anticipated sequel to 2018’s Halloween, starring Jamie Lee Curtis. Minutes after Laurie Strode, her daughter Karen, and granddaughter Allyson left...

Terrifier 2

By Tim Waggoner

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The nightmarish Art the Clown returns from the dead to continue his murderous and mad spree, in this gruesome novelization of the hit horror film.It has been one year since the sleepy town of Miles...

Conan: Spawn of the Serpent God

By Tim Waggoner

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A new chapter of the Titan comics & Heroic Signatures massive narrative event: Scourge of the Serpent Men. A thrilling story about Conan the Barbarian facing violent abominations written by Bram St...

Conan: Spawn of the Serpent God

By Tim Waggoner

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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.