Michael Ennis Books

Duchess of Milan

By Michael Ennis

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The Malice of Fortune

By Michael Ennis

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When Pope Alexander orders the courtesan Damiata to the remote fortress city of Imola to learn the truth behind the murder of his beloved son, Juan, she knows that failure comes at the price of her...

Byzantium

By Michael Ennis

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Duchess of Milan

By Michael Ennis

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Door de ambitie van haar man wordt een jonge Italiaanse hertogin in de 15e eeuw de rivale van haar nicht, met wie ze hecht bevriend was.

Duchess of Milan

By Michael Ennis

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The Malice of Fortune

By Michael Ennis

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The malice of fortune

By Michael Ennis

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Art of the State

By Ennis Michael, Michael Ennis

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International Channel Management

By Michael Ennis

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Byzance.

By Michael Ennis

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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.