Debbie Viguie Books

These are dark days for England. The Hood is dead. The Sheriff has summoned an ally—one who leads an army sufficient to enter Sherwood and crush the resistance. Then comes news that King Rich...

Circle of Blood

By Debbie Viguie

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Samantha Ryan—cop by choice, witch hunter by necessity—is about to confront the witch who has been secretly manipulating her life. But her search for the truth about her past may end in...

The Thirteenth Sacrifice

By Debbie Viguie

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When young women start dying, Boston cop Samantha Ryan is the perfect person to investigate, for only she knows what the archais symbol carved into their flesh means. The last in a long line 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.