Heather Killough Walden Books

Avenger s angel

By Heather Killough Walden

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Death s angel

By Heather Killough Walden

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After spending an eternity walking the earth in search of their lost soul mates, four archangels are now about to learn that finding their archesses is only the first harrowing step to claiming the...

Redeemer Syndicate Novels Book 1

By Heather Killough Walden

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Messenger's Angel

By Heather Killough Walden

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Since the beginning of time, the archangels have longed to know true love. When four female angels were created for the four archangels, Michael, Gabriel, Uriel, and Azrael, a chaos spurred by jeal...

Death's Angel

By Heather Killough Walden

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The Goblin King

By Heather Killough Walden, Antony Ferguson

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The Heat

By Heather Killough Walden

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The Demon King The Kings Volume 9

By Heather Killough Walden

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The Unseelie King

By Heather Killough Walden

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The Unseelie King

By Heather Killough Walden

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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.