Dr. Joann Fletcher Books

Search for Nefertiti

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"Her power was rivaled only by her beauty. Her face has become one of the most recognizable images in the world. She was an independent woman and thinker centuries before her time. But who was Egyp...

Cleopatra the Great

By Dr. Joann Fletcher

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Cleopatra the Great: The Woman Behind the Legend

By Joann Fletcher

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Fletcher draws on a wealth of overlooked detail and the latest research to reveal Cleopatra as she truly was, from her first meeting with Julius Caesar to her legendary death by snakebite. Bringing...

Search for Nefertiti

By Joann Fletcher

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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.