Brian Nissen Books

Voluptuario

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Booksellers keep erotica - both literary and graphic - under lock and key. Not because of taboos, but because true erotica is rare. To be an erotic writer or painter requires a rare combination of...

Exposicion en torno al poema Mariposa de obsidiana de Octavio Paz

By Brian Nissen

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Illustrated with 160 images of the work of London-born Brian Nissen (lives and works in Mexico), this monograph offers a panoramic vision of the artists major themes, including myth, history, anthr...

Brian Nissen

By Brian Nissen

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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.