Kelley Armstrong Books

Empire of Night

By Kelley Armstrong

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Forest of Ruin

By Kelley Armstrong

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The empire rests on the edge of a knife, and sisters Ashyn and Moria are the handle and the blade. Desperate to outmaneuver the evil Alvar Kitsune, whose hold on the people grows stronger every day...

Forest of Ruin

By Kelley Armstrong

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The Gathering

By Kelley Armstrong

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Shards Ashes

By Margaret Stohl, Kami Garcia, Kelley Armstrong, Melissa Marr, Veronica Roth

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Contains: Introduction by Melissa Marr and Kelley Armstrong "Hearken" by Veronica Roth "Branded" by Kelley Armstrong "Necklace of Raindrops" by Margaret Stohl "Dogsbody" by Rachel Caine "Pale Rider...

Thor's Serpents

By Kelley Armstrong

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"As Ragnarok--the apocalypse--approaches, the thirteen-year-old descendants of the gods realize they can't take every step of their journey together, as Matt must fight the Midgard Serpent alone, a...

Odin's Ravens

By Kelley Armstrong

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When Ragnarok--the apocalypse--threatens, the human descendants of the gods band together to fight monsters, and Matt Thorsen and his friends must journey to the underworld to save a descendant.

Stolen

By Kelley Armstrong

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Omens

By Kelley Armstrong

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From the #1 New York Times bestselling author of the Otherworld series and Hemlock Island, the first chilling novel in the Cainsville series.Olivia Taylor-Jones is shattered to learn that she’s ado...

Bitten

By Kelley Armstrong

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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.