Andrea Hopkins Books

The Book of Courtly Love: The Passionate Code of the Troubadours

By Andrea Hopkins

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The book of courtly love

By Andrea Hopkins

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The Book of Guinevere

By Andrea Hopkins

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Chronicles of King Arthur

By Andrea Hopkins

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The legend of King Arthur and the Knights of the Round Table has held readers spellbound for some eight hundred years. It is the essence of romance: a mythical world of heroes and noble deeds, of c...

Knights

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Romeo and Juliet retold by Andrea Hopkins

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The Book of Guinevere

By Andrea Hopkins

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CHRONICLES OF KING ARTHUR

By Andrea Hopkins

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A Chronicle History of Knights

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Knights

By Andrea Hopkins

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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.