Vivian Conroy Books

A Testament to Murder

By Gordon Griffin Narrator, Vivian Conroy

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The Glitter End

By Vivian Conroy

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Last Pen Standing

By Vivian Conroy

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The Butterfly Conspiracy

By Vivian Conroy

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Perfect for fans of Deanna Raybourn’s Veronica Speedwell mysteries comes the enchanting series debut from Vivian Conroy, The Butterfly Conspiracy. In late Victorian times, when new inventions...

Mystery in Provence

By Vivian Conroy

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Mystery in Provence

By Vivian Conroy

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Mystery in Santorini

By Vivian Conroy

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Mystery in Santorini

By Vivian Conroy

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Mystery in Salzburg

By Vivian Conroy

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Mystery in Salzburg

By Vivian Conroy

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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.