Nancy Holder Books

Angel Souls and Devil Hearts The Shadow Saga Book 2

By Nancy Holder

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Our Mutual Friend Guided Reader

By Nancy Holder

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A Christmas Carol

By Nancy Holder, F.H. Cornish

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Timothy ... a villain? After learning how his powerlessness can be used as a weapon in the world of magic and defeating Nicodemus's plan to overthrow the government, Timothy travels to a war-torn d...

Making love

By Melanie Tem, Nancy Holder

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Dead in the water

By Nancy Holder

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Witch Light

By Nancy Holder

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Shadows of the Empire

By Nancy Holder, Christopher Golden

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Darth Vader and the evil Xizor are both out to destroy Luke Skywalker.

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.