Elizabeth Kostova Books

Psychiatrist Andrew Marlowe, devoted to his profession and the painting hobby he loves, has a solitary but ordered life. When renowned painter Robert Oliver attacks a canvas in the National Gallery...

The Historian

By Elizabeth Kostova

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A young woman finds old papers which begin to reveal an ancient and evil plot concerning Vlad the Impaler and the legend of Dracula, which may still be continuing.

The swan thieves

By Elizabeth Kostova

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The Swan Thieves

By Elizabeth Kostova

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The Historian

By Elizabeth Kostova

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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.