Paulo Coelho Books

The Devil and Miss Prym: A Novel of Temptation

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Embittered by her first experiences of love, a young Brazilian girl travels to Geneva in search of fame and fortune and finds her beliefs about sex and romance challenged by her relationship with a...

Eleven Minutes: A Novel

By Paulo Coelho

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Once Minutos: Una Novela

By Paulo Coelho

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Eleven Minutes

By Paulo Coelho

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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.