Marie Treanor Books

Blood Sin

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The author of Blood on Silk brings readers the next novel in her seductive new Awakened by Blood series. Months after her dangerous encounter with the vampire overlord Saloman, Scottish academic...

Blood Eternal

By Marie Treanor

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Despite the growing passion that unites them, all is not well between Elizabeth and Saloman. She refuses to follow him as he builds his influence among the human population and consolidates his r...

Blood on Silk

By Marie Treanor

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The debut of a seductive new contemporary series of vampires, lust, and revenge. While in Romania researching historical superstitions, Scottish academic Elizabeth Silk comes upon the folk tale of...

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.