Mirella Sichirollo Patzer Books

The Pendant

By Mirella Patzer

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Orphan of the olive tree

By Mirella Sichirollo Patzer

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Two families bound by a blood oath. A dreadful curse and the casting of the evil eye that will shatter lives. And the dark family secret one woman will risk everything to keep buried. From two neig...

The contessa s vendetta

By Mirella Sichirollo Patzer

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Orphan of the Olive Tree

By Mirella Sichirollo Patzer

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Blighted Troth

By Mirella Patzer

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The Prophetic Queen

By Mirella Sichirollo Patzer

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Novicia

By Mirella Sichirollo Patzer, Gimena Rocco

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Novice

By Mirella Patzer

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Novice

By Mirella Patzer

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Orphan of the Olive Tree

By Mirella Sichirollo Patzer

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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.