Kerrelyn Sparks Books

Jack is the illegitimate son of the legendary Casanova--and a vampire. When a vampire bachelor party thrown by Jack gets out of hand and the cops show up, Jack has some explaining to do--if only he...

Zakazane noce z wampirzyca

By Kerrelyn Sparks

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"Vanda Barkowski is in trouble. As the owner of a hot nightclub, she's more unconventional than most of her fellow vampires, and if some think her a little out of control, then so be it. But after...

La vida secreta de un vampiro

By Kerrelyn Sparks

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Be Still My Vampire Heart

By Kerrelyn Sparks

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Be Still My Vampire Heart

By Kerrelyn Sparks

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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.