Debbie Viguie Books

Centuries ago, Raphael was a blasphemous knight who fought in the Crusades purely for his own mercenary benefit, and to satisfy his taste for killing. Now, condemned for his evil passions and hypoc...

The 13th sacrifice

By Debbie Viguie

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Tormented by her horrific childhood, Boston cop Samantha Ryan, the last in a long line of ruthless witches, discovers that evil has returned to Salem when she goes undercover to find out who is kil...

The 13th sacrifice

By Debbie Viguie

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I Shall Not Want The Psalm 23 Mysteries Hardcover Regular Print Psalm 23 Mysteries

By Debbie Viguie

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My Cup Runneth Over

By Debbie Viguie

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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.